Abc is an equilateral triangle and has an area of 8/5. point d is the midpoint of side ab, point e is the midpoint of side bc, a

Question

nekit [7.7K]

3 years ago

5

Abc is an equilateral triangle and has an area of 8/5. point d is the midpoint of side ab, point e is the midpoint of side bc, a

nd point f is the midpoint of side ac. what is the area of the parallelogram decf?
a.2/5
b.2/3
c.4/5
d.13/15
e.1

Mathematics

1 answer:

nlexa [21] · Answer 1 · 2022-08-06T16:53:23+03:00

nlexa [21]3 years ago

6 0

Hello,

There are 4 congurent equilateral triangles in ABC and each has an area of (8/5)/4=2/5.
To form the parallelogram we need 2 triangles: 2* 4/5=4/5.

Answer C.