The area of a right angle triangle is 20 CM. square if the altitude is 4 cm then what is its base?
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Step-by-step explanation:
Area:20 cm^2
Altitude:4 cm
Area of right triangle :1/2×l×b
20=1/2×length ×4
20=length ×2
length=20/2
=10
So, length of right angle triangle is 10 cm
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