Question

Find the area of a triangle whose two sides at 8 cm and 11cm long and the perimeter is 32 CM

Answer 1

Answer:

Perimeter=l+B+h

32cm=8 cm +B+11cm

32cm=19cm+B

32cm-19cm=B

13cm=B

Area is 1/2*B*h

1/2*13*11

1/2*143

143/2

72.5 cm2