Question

The perimeter of an isosceles right angled triangle is 41cm. If its hypotenuse is 17cm, its area is *

72 cm2

144 cm2

41 cm2

102 cm2

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Answer 1

Step-by-step explanation:

72cm2 is the right option.

Answer 2

Answer:

in right angled triangle hypotenuse is biggest side

since its isoseles , the lenght of its 2 other legs are equal

perimeter = 41cm

hypotenuse = 17 cm

let the other 2 sides be x and x = 2x

17 + 2x = 41

x = (41 - 17)/2

x = the respective lenght of other 2 sides = 12

area = 1/2 * base *hieght

area = 1/2 * 12 * 12

area = 1/2 *144

area = 72 cm^2

hope this helps :)

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