Question

In ΔABC, point M is the midpoint of AC, point D∈ BM, so that MD:DB= 1:4. If A CMD= 7 ft², find A BDC, A AMB, and A ABC.

Answer 1

Step-by-step explanation:

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.

D and E are the mid points. Hence,

DE=

2

1

AC

DE=

2

1

(6.4)

DE=3.2cm