Question

find the length of the rectangle if the perimeter is 126cm and breadth is 26cm ​

Answer 1

Answer:

Two angles of a triangle are equal and the third angle is greater than each of those angles by 30°. Let x, x, x + 30° be the angles of a triangle. Answer: Three angles are 50°, 50° and 80°.

Answer 2

Answer:

$perimeter = 2(l + b)$

$126 = 2(l + 26)$

$126 = 2l + 52$

$126 - 52 = 2l$

$74 = 2l$

$\frac{74}{2} = l$

$37 = l$

Verification :- 2 (l + b)

126 = 2 (37 + 26)

126 = 74 + 52

126 = 126

Hence verified !!!!!

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