Question

The base of an isosceles triangle is 24 cm and its area is 192 cm?, then its
perimeter is
(b) 65 cm
(a) 64 cm
(c) 68 cm
(d) none of these​

Answer 1

Answer:( a) 64cm is correct answer

Step-by-step explanation:

base of isosceles triangle = 24cm area of the isosceles triangle = 192sq.cm Area = 1/2×b×h = 192 = 24.h /2 = h = 16cm side = √h^2 + 12^2 = √ 254 + 144 = 20 cm perimeter =2a + b = 2(20)+24 = 64 cm