Question

2. The lengths of three sides of a triangle are 20 cm, 16 cm and 12 cm
area of the triangle is​

Answer 1

Answer:

s=semi perimeter

s=20+16+12/2

48/2

24cm

√s(s-a)(s-b)(s-c)

√24(24-20)(24-16)(24-12)

√24×4×8×12

√2×2×2×3×2×2×2×2×2×2×2×3

2×2×2×2×2×3

144 cm square