Question

18
Q.2) Solve the following questions. (any six )
1) If the circumference of a circle is 176cm. Find its volume.
2) If the side of a square is 12cm. Find its area.
3) If the length of a rectangle is 15cm and breadth is 5cm. Find its area?
4) In the right angle A PQR <P=90° If |(PQ)=24cm and /(PR)=10cm Find the
length of seg QR
5) Find the Pythagorean triplets of 3,4,5
6) The sides of triangles are 8,15,17 Find out right angled triangle
7) The diameter of a circle is 14cm,Find its circumference​

Answer 1

Answer:

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Answer 2

1. The circumference of the circle =176

i.e., 2πr=176

2×722×r=176

r=28cm

Radius =28cm

there's no volume of a circle.

2. side of a square = 12cm

Area of square = S×S

= S²

= 12²

= 144cm²

3.

l = 15 cm

b= 5cm

Area = l×b

=15×5

= 75cm²

7.

diameter = 14cm

radius = d/2 = 7cm

Circumference = 2 pi* r

= 2×22/7 ×7

= 44cm.

hope it helps:)