Math, asked by garimat824, 4 months ago

If the area of ∆ABC is 42 cm2 and height AD is 4 cm. find BC

Answers

Answered by Brewert0122D

3

Answer:

21

Step-by-step explanation:

Breath= BC

AD=height=4cm

ABCD= Total triangle=42cm²

Area=1/2bh

42=1/2×b×4

42=2b

b=42/2

breath=21

BC=21cm

Answered by shahisagun767

0

Answer:

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