the altitude of a triangle is three fifth of the length of the corresponding base .if the altitude is increased by 4 cm and the base is decreased by 2 cm,then the area of the remains the same.find the base of the triangle in cm.
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Step-by-step explanation:
the altitude is decreased by, 4 CM and the corresponding base is increased by 10 CM, the area of the triangle remains .
Answered by
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Answer:
Step-by-step explanation:
Let x be the length of altitude of the triangle and y the length of the corresponding base.
Also, according to the question increasing altitude by 4 cm and decreasing base by 2 cm does not change the area of the triangle.
x = 2(12)-4
= 24-4
= 20.
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