Question

Find the area of triangle whose sides are 8cm , 11 cm and 13 cm.​

Answer 1

Answer:

43.82 cm²

Step-by-step explanation:

P = 13 + 11 + 8 = 32 cm

s = P/2 = 16 cm

A = √[16(16 - 13)(16 - 11)(16 - 8)] = √1920 cm² ≈ 43.82 cm²