Question

find the area of an isosceles triangle whose perimeter is 44cm and length of the equal sides is 13 cm
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Answer 1

Answer:

The Perimeter of the triangle = 44cm

Equal sides are = 13cm

13+13= 26cm ( two sides of the isosceles triangle are equal )

total perimeter - equal sides = third side of the triangle

44 - 26 = 18 cm

The third side of the triangle is 18cm

Area of a triangle= 1/2 x base x height

base = 18 cm

height = 13cm

= 1/2 x 18 x 13

= 9 x 13

= 117 square cm