CBSE > Class 07 > Mathematics | CBSE Board | Homework Help

Let the radius of the circle to be as r so , B / C , ------ The area of a circle = 22 / 7 × r2 -------------------------------- => 22 / 7 × r2 = 154m2 ---------------- => r2 = 154 ÷ 22 / 7 --------------------- = 154 / 1 × 7 / 22 = 7 / 1 × 7 / 1--- = 7 × 7 = 49 --------------------------------- therefore the radius of the circle = 49 m -------------------- So, B/C ----------------------------------------------------------------------- The perimeter of the circle = 2 × 22 / 7 × 49 ---- = 2 × 22 × 7 ----------- = 308 m ----------------

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How many question

Posted by Jatin Bhardwaj 7 years ago

CBSE > Class 07 > Mathematics

0 answers

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22_22

Posted by Jashan Kaur 7 years ago

CBSE > Class 07 > Mathematics

1 answers

Anant Patwal 7 years ago

22=22

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P-(q-p)-q-(q-p)

Posted by Appu Sahil 7 years ago

CBSE > Class 07 > Mathematics

1 answers

Renuka Seiwal 6 years, 11 months ago

P- q + p - q -- q + p. (open bracket)

= p - p -3 q + p

=0 - 3q +p

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If12.5% of q is 19,what is the value of q

Posted by Niraj Kumar 7 years ago

CBSE > Class 07 > Mathematics

1 answers

Sarika Bhatnagar 7 years ago

12.5%of q=19 (12.5/100)×q=19 q=19×100/12.5 q=19000/125 q=152

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What is the answer of 7.3 ex Q 1

Posted by Dhruv Nautiyal 7 years ago

CBSE > Class 07 > Mathematics

0 answers

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Draw a line l and draw another line m parallel to l a distance of 4.3 cm from it

Posted by Happy Sing 7 years ago

CBSE > Class 07 > Mathematics

1 answers

Yashpreet Kaur Sacheva 7 years ago

Draw a line l take any point x away 4.3 cm from l draw a line parallel to line l now draw an full arc and make parallel arc on x to take the measure of arc grom end of arc draw an arc over there do with the same arc x now join the point x with the are now you will get a line parallel to line l

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Eugdugg ddhh. Sgfdsbfs

Posted by Abhinav Pandey 5 years, 8 months ago

CBSE > Class 07 > Mathematics

2 answers

Akankshya Nayak 6 years, 11 months ago

What do you mean??????

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Tanmay Keshari 7 years ago

???????

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Which figure has no rotational symmetry

Posted by Himani Deol 7 years ago

CBSE > Class 07 > Mathematics

2 answers

Yashpreet Kaur Sacheva 7 years ago

Triangle

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Happy Sing 7 years ago

Triangle

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X5=4

Posted by Hemant Patel 7 years ago

CBSE > Class 07 > Mathematics

1 answers

Rishi Raj 7 years ago

X =0.8

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There is a man who seĺls chocolates. He has three sons . He gives 50 chocolates to his first son, 30 chocolate to his second son and 10 chocolate to his third son . He said them to sell the chocolate and give the same amount to him . So what should they do to give the same amount?

Posted by Nirmal Kumar 7 years ago

CBSE > Class 07 > Mathematics

2 answers

Nirmal Kumar 6 years, 11 months ago

No , what is the cost that the three sons gave to their father

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Konkana Bhattacharjee 7 years ago

First they all will sell those chocolates and after that they mixed up all the money they all will get after selling those chocolates them they will divide that amount of money into three among themselves (equally) this is how they could give equal amount of money to their father.

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Test

Posted by Baliyan Ayush Malik 7 years ago

CBSE > Class 07 > Mathematics

1 answers

Konkana Bhattacharjee 7 years ago

What do you mean??

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Solve the equation of 5p+2=17

Posted by Akankshya Nayak 7 years ago

CBSE > Class 07 > Mathematics

4 answers

Sarika Bhatnagar 7 years ago

5p+2=17 5p=17-2 5p=15 P=15/5 P=3

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Gurleen Kaur 7 years ago

5p+2=17 = 5p=17-2=15 = p=15/5=3 = p=3 Hence the value of p is 3

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?? ?? 7 years ago

5p+2=17 5p=17-2=15 p=15/5=3 P=3

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Akankshya Nayak 7 years ago

Please find the answer

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22220000.000888+3616649.64646555

Posted by Nirmala Devi 7 years ago

CBSE > Class 07 > Mathematics

1 answers

?? ?? 7 years ago

25836649.647

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Simplify 4×[9×-{×+3×-2+( × - 4× ) } ].

Posted by Priyesh Ranjan 7 years ago

CBSE > Class 07 > Mathematics

1 answers

Priyesh Ranjan 7 years ago

4× [ 9× - { × + 3× - 2 +(× - 4× ) } ] =4× - [ 9× - { × + 3× -2+ × -4×}] =4× -[ 9× -{ 5×-2-4× } ] = 4× - [ 9× - { × -2 } ] =4 ×- [ 9× -× + 2} ] = 4× -9 × + × -2 = 4× - 8 × - 2 = - 4× - 2

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consider a rectangle with length =l units and breadth=b units its diagnol =? units

Posted by Apurva Thakur 7 years ago

CBSE > Class 07 > Mathematics