One fifth of the area of the triangle ABC is cut off by the line DE drawn parallel to BC such that D is on AB and E is one AC. If BC = 10 cm, then what is DE equal to?

One fifth of the area of the triangle ABC is cut off by the line DE dr

1.	One fifth of the area of the triangle ABC is cut off by the line DE drawn parallel to BC such that D is on AB and E is one AC. If BC = 10 cm, then what is DE equal to?
A.	√5 cm
B.	2√5 cm
C.	3√5 cm
D.	4√5 cm
Answer» C. 3√5 cm

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One fifth of the area of the triangle ABC is cut off by the line DE drawn parallel to BC such that D is on AB and E is one AC. If BC = 10 cm, then what is DE equal to?

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