Question

(iv) The length of each equal side of an isosceles triangle is 5cm. and length of base is 6cm. The
area of triangle is
(a) 18 sq. cm.
(b) 12 sq. cm. (c) 15 sq. cm. (d) 30 sq. cm.

Answer 1

S= semiperimeter

S=a+b+c/2

=24+8+8=10

By Heron's Formula,

A(ΔABC)=S(S−a)(S−b)(S−c)

=10(10−4)(10−8)(10−8)

=10×6×2×2

=260

=2×4×15=2×215

=415cm2

Answer 2

Answer:

the correct ans for ur QUESTION is option b 12cm²

Step-by-step explanation:

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