Question

9. If the perimeter of an isosceles triangle is 83 cm. and its base is 23 cm. Find the measure of its equal sides.
10. The perimeter of a rhombus is 5.6 cm. Find its side.
11. The perimeter of a rectangle is equal to that of a square with side 17 m. If the length of the
rectangle is 26 m. What is its breadth ?
12. What is the cost of fencing a rectangular field of length 16 m and breadth 11 m at the rate of 12 per m. Please solve all questions..step by step.​

Answer 1

9 Ans:-

Let the length of the equal sides be 'x'

Two sides are equal

Then,

x + x + 23 = 83

= 2x = 83 -23

= 2x =60

= x = 60/2

= 30

SO THE LENGTH OF EQUAL SIDES ARE 30 CM

10 Ans:-

Let perimeter be P

& side be S

As we know

all sides of a rhombus are equal

so,

P = 4S

= 5.6 = 4S

= S = 5.6/4

= S = 1.4 cm.

SO THE SIDE OF THE RHOMBUS IS 1.4 CM

11 Ans :-

DO CONSIDER THE ATTACHMENT.

12 Ans:-

DO CONSIDER THE ATTACHMENT.

I HOPE THAT WAS HELPFUL

BY THE WAY THE SECOND ATTACHMENT IS THE 12TH ANSWER

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