1.

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

Answer»

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





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