Math, asked by mitali4104, 7 months ago

Find the perimeter of a rectangle whose length is 28cm and diagonal is 35cm. What will be the correct answer

Answers

Answered by Anonymous
6

Answer:

half of rectangle is triangle

length = 28 cm

breadth = ?

diagonal(hypotenuse of triangle) = 35cm

to find breadth use Pythagoras theoram

(28)^2 + (x) ^2 = (35)^2

784 + x^2 = 1225

x^2 = 441

x = 21

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