CBSE > Class 09 > Mathematics | CBSE Board | Homework Help

A convex quadrilateral can be defined as a quadrilateral whose both the diagonals are completely contained within the figure. On the other hand, a concave quadrilateral is a quadrilateral which is having at least one diagonal that lies partly or entirely outside of the figure.

0Thank You

ANSWER

Explain mid point theoram of qaudrilateral

Posted by Priya Bungla 4 years, 11 months ago

CBSE > Class 09 > Mathematics

2 answers

Gaurav Kumar 4 years, 11 months ago

It is given in your ncert book or any reference book

0Thank You

Sreeshanth Reddy 4 years, 11 months ago

Take a triangle ABC, AND line segment EF passes through AB,AC AND is perpendicular,then EF is parallel to BC.

1Thank You

ANSWER

What was the properties of rhombus.

Posted by Nitesh B 4 years, 11 months ago

CBSE > Class 09 > Mathematics

3 answers

Gaurav Kumar 4 years, 11 months ago

All sides are equal , diagonals are equal and measure equal degrees

0Thank You

Nitesh B 4 years, 11 months ago

Thanks for this and please answer my other questions

0Thank You

Yogita Ingle 4 years, 11 months ago

Properties of a Rhombus

All sides are congruent.
Opposite angles are congruent.
The diagonals are perpendicular to and bisect each other.
Adjacent angles are supplementary (For eg., ∠A + ∠B = 180°).
A rhombus is a parallelogram whose diagonals are perpendicular to each other.

2Thank You

ANSWER

If O is a point within a quadrilateral ABCD , show that OA+OB+OC+OD is greater than AC+BD

Posted by Ashish Singh 4 years, 11 months ago

CBSE > Class 09 > Mathematics

2 answers

Tanish Vishwakarma 4 years, 11 months ago

Hello

1Thank You

Rani Kafle 4 years, 11 months ago

0Thank You

ANSWER

Construct a rectangle whose adjacent sides are at length 5cm,and3.5cm

Posted by Shinchan Gaming 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the value 3(125)1/3

Posted by Khushi Choudhari 4 years, 11 months ago

CBSE > Class 09 > Mathematics

5 answers

Gaurav Kumar 4 years, 11 months ago

125

0Thank You

Lalita 123 4 years, 11 months ago

125

0Thank You

Badal Sahu 4 years, 11 months ago

125.33

0Thank You

The Cool Boy 4 years, 11 months ago

3*125*1/3 - 3*125=375 - 375*1/3 - 375/3 - 125 Or you can simply cut 3 from 3 and 1/3

0Thank You

Aryan Kothari 4 years, 11 months ago

Not sure May be 125 is the ans

0Thank You

ANSWER

The value of √6

Posted by Pushkar Pandey 4 years, 11 months ago

CBSE > Class 09 > Mathematics

3 answers

Poonkuzhali Balusamy 4 years, 11 months ago

2.449489742783

0Thank You

Mohit Patel 4 years, 11 months ago

2.44948974

0Thank You

Aryan Kothari 4 years, 11 months ago

2.449

1Thank You

ANSWER

Construct a triangle ABC in which BC= 3.4 cm , AB - AC = 1.5 cm and angle B = 45 ° .

Posted by Bicky Mallik 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Prove theorem 8.2

Posted by Gaurav Gupta 4 years, 11 months ago

CBSE > Class 09 > Mathematics

2 answers

Badal Sahu 4 years, 11 months ago

Which chapter

0Thank You

Aryan Kothari 4 years, 11 months ago

Its easy First draw a diagonal and by asa rule you can congruent both the triangles made Now by cpct you can prove that opp. Sides are equal

0Thank You

ANSWER

Find the surface area of a sphere of radius 10.5 CM

Posted by Sanjay Sanj 4 years, 11 months ago

CBSE > Class 09 > Mathematics

3 answers

Badal Sahu 4 years, 11 months ago

1386

0Thank You

Aryan Kothari 4 years, 11 months ago

4× 22÷7×10.5×10.5= 1386

0Thank You

Chandan Kumar 4 years, 11 months ago

Surface area of sphere =4πr*r =,

0Thank You

ANSWER

Prove theoram 8.1

Posted by Gaurav Gupta 4 years, 11 months ago

CBSE > Class 09 > Mathematics

3 answers

Gurpreet Singh Batth 4 years, 11 months ago

We are not your servants

1Thank You

Badal Sahu 4 years, 11 months ago

Which chapter

0Thank You

Aryan Kothari 4 years, 11 months ago

Draw a diagonal and prove it either by sss rule sas rule asa rule your choice

0Thank You

ANSWER

Draw a triangle whose sides are represented by x=0 ,y = 0 and x + y= 3 in the Cartesian system. Also find the coordinates of the vertices.

Posted by Riya Jaylwal 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Q8 of ncert ex7.1

Posted by सार्थक पटेल 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

1 by 2*10÷2+10÷2+1

Posted by Naresh Mks 4 years, 11 months ago

CBSE > Class 09 > Mathematics

1 answers

Ujjawal Verma 4 years, 11 months ago

1/16

0Thank You

ANSWER

Factories x²+5x + 6

Posted by Priya Bungla 4 years, 11 months ago

CBSE > Class 09 > Mathematics

1 answers

Priya Bungla 4 years, 11 months ago

=X²+3x+2x + 6 =x(x+3)+2(x+3 ) = (x+3) (x+2)

3Thank You

ANSWER

Two equal chords AB and CD of a circle with interest each other at E prove that AD=CB

Posted by Harshita Vaidh 4 years, 11 months ago

CBSE > Class 09 > Mathematics

1 answers

Priya Bungla 4 years, 11 months ago

Given = AB and CD are the two chords intersect at point E of a circle . To prove = AD = CB . Proof = .......... ..

0Thank You

ANSWER

Two equal chords AB and CD are for concative point such that AB =CD prove that Ac=BC

Posted by Harshita Vaidh 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find sphere 20cm

Posted by Manjugouda Patil 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Ab and cd are two parallel chords of a circle with centre o and radius 5cm, such that ab=6cm and cd=8cm if op perpendicular cd determine the length if pq

Posted by Jiya Pandey 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

How many zeroes are there in a non zero constant polynomial

Posted by Sneha Chandak 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

2(45)

Posted by Anurag Singh 4 years, 11 months ago

CBSE > Class 09 > Mathematics

4 answers

Poonkuzhali Balusamy 4 years, 11 months ago

0Thank You

Chandan Kumar 4 years, 11 months ago

2*45=90

0Thank You

Gaurav Gupta 4 years, 11 months ago

2×45 = 90

1Thank You

Priya Bungla 4 years, 11 months ago

2×45=90

1Thank You

ANSWER

Ghdhxuy

Posted by Prakash Sharma 4 years, 11 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Does congruent triangles have same areas

Posted by Vaibhav Raj 4 years, 11 months ago

CBSE > Class 09 > Mathematics

9 answers

Poonkuzhali Balusamy 4 years, 11 months ago

Yes,congruent triangles have equal area as they have equal shape and equal size

0Thank You

Gunmeet Pahwa 4 years, 11 months ago

No it is not necessary that congruent triangles have same area. If both the two triangles are on same base and between the same parallels only then we can say that the two triangles have same area

1Thank You

Bhoomi Bhoomi 4 years, 11 months ago

Yes

1Thank You

Nitesh B 4 years, 11 months ago

Yes

1Thank You

Priya Bungla 4 years, 11 months ago

Yes , congruent triangle has always same area

1Thank You

Neha Choudhary 4 years, 11 months ago

Yup

1Thank You

Shreya Raj 4 years, 11 months ago

yes

1Thank You

Satyan Singh 4 years, 11 months ago

Yes

1Thank You

Aatma Kannaujiya 4 years, 11 months ago

Yes congruent triangles have equal area

5Thank You

ANSWER

In figure ad is the diameter of a circle if BCD 150 calculate angle BAD and ADB

Posted by Ravi Mourya 4 years, 11 months ago

CBSE > Class 09 > Mathematics

1 answers

Ravi Mourya 4 years, 11 months ago

0Thank You

ANSWER

How to prove congruency

Posted by Shubham Upadhyay 4 years, 11 months ago

CBSE > Class 09 > Mathematics

2 answers

Bhoomi Bhoomi 4 years, 11 months ago

We can prove the congruency only by the four conditions and we have to see that what condition are suitable for the given triangles to prove their congruency - 1. SIDE SIDE SIDE (SSS) 2. SIDE ANGLE SIDE (SAS) 3. ANGLE ANGLE SIDE (AAS) and 4. RIGHTANGLE HYPOTENUSE SIDE (RHS).

0Thank You

Priya Bungla 4 years, 11 months ago

Firstly we have to see all the sides and angles of two triangles which are equal and write any three same things and write his congruence rule.

0Thank You

ANSWER