Area of right triangle is 54 cm2 . if its altitude is 12cm long , find the base
Answers
Answered by
5
Answer:
9 cm
Step-by-step explanation:
Area = 54 cm^2, altitude(h) = 12 cm.
Area of triangle = (1/2) * b * h
=> 54 = (1/2) * b * 12
=> 54 = b * 6
=> b = 9 cm.
Therefore, base is 9 cm.
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Answered by
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SOLn:
Altitude(a):12cm
base(b):?
area(a):54cm
now,
area of triangle=
a=1/2xaxb
54=1/2x12xb
54=6b
54/6=b
9cm=b
so,base=9cm
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