In △abc point d is the midpoint of ab , point e is the midpoint of bc , and point f is the midpoint of be . find area of △abc, if adcf= 63 cm2.

168

Step-by-step explanation:

Consider triangles CDF and FDB. In these triangles the heights drawn to the sides CF and FB are the same. Then

Then

Consider triangle BCD. The area of this triangle is

Consider triangle ABC, the area of triangle ABC is

168 cm².

this was already solved by me with a different person. if you look it up in the search bar at the top of the page, you will get the answer.

step-by-step explanation:

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