Question

find the perimeter of a right angle triangle whose length of the longest side is 2.5 and one the other side is 2 cm​

Answer 1

Step-by-step explanation:

let third side= x

first we have to find the third side by Pythagoras theorem ..

so..

x² = 2.5² - 2²

x² = 6.25 -4

x² = 2.25

x²= 1.5²

x = 1.5 cm...

now... perimeter of the traingle = sum of all sides

2.5 + 2+ 1.5

6cm.. is the answer..

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