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

Two Angles whose sum is equal to 90 degree are said to be pair of complementary angles, and two angles whose sum is equal to 180 degree are said to be pair of supplementary angles.

1Thank You

Parijat Singh 8 years, 4 months ago

Angles whose sum is less than 90°are complementary Angles whose sum is more than 90°to and less than 180° are supplementary

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ANSWER

What do you mean by cyclic quad rilateral

Posted by Neeru Gupta 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Usman Atahar 8 years, 4 months ago

A quadrilateral whose all vertices lie in a circle is called cyclic quadrilateral

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ANSWER

Contruct an isosceles triangle whose base is 4.8cm and whose vertical angle is 80 gidree

Posted by Raj Hans 8 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Hard

Posted by Vanshika Vanshika 8 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

In triangle ABC ,AB =AC, angle BCD is an exterior angle and angle A =80, find angle BCD.

Posted by Tyagi Yashika 8 years, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Sameer X 8 years, 4 months ago

130 degree

1Thank You

Neeru Gupta 8 years, 4 months ago

Answer is 130degree Its very simple bro

1Thank You

Harsh Anand 8 years, 4 months ago

130degrees

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ANSWER

If two parallel lines intersected by transversal then represent corresponding angle and alternate interior angles

Posted by Jatin Kumrawat 8 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

X+2x=180

Posted by Devansh Soni 8 years, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Neeru Gupta 8 years, 4 months ago

X+2x=180 3x=180 X=180/3 X=60 Then, 2x=2×60 =120 CHECK- 2x+x=180 120+60=180 180=180 So,RHS =LHS

0Thank You

Dronacharya Dhawas 8 years, 4 months ago

X=60

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Aadharshini Sudha 8 years, 4 months ago

x=60

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ANSWER

What all are the properties of the angle when an altitude is drawn

Posted by Saba Basheer 8 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the mean of x,x+2 , x+4, x+6,x+8

Posted by Prabhjot Kaur Arora 8 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Harsh Anand 8 years, 4 months ago

x+x+2+x+4+x+6+x+8 = 5x+20. Now, Mean= 5x+20/5 =x+4

1Thank You

Ankita Anand Gupta 8 years, 4 months ago

5x+20/5=5(x+4)/5=x+4

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ANSWER

What is mean by median in mathematics area of parallelogram and triangle

Posted by Siva Siva 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Neeru Gupta 8 years, 4 months ago

Median of triangle divide triangle into two equal area. Diaginal of parallelogram divide into two congurent triangle

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ANSWER

Sin 60

Posted by Mohammad Parvej 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Vaishnavi Priya 8 years, 4 months ago

√3/2

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ANSWER

Heyy guysss good evening

Posted by Sahana Chaudhari 8 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is the volume of cube. If l=3,b=2,h=5

Posted by Nand Kishore Bhadoriya 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Hhjm Gupta 8 years, 4 months ago

Well if it's a cuboid then it's volume is 30 cm³/m³

1Thank You

ANSWER

6 root 35

Posted by Aman Mehra 8 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

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