Question

Jill created a new playing piece for a board game, as shown below.

http://i.imgur.com/KlN5l.gif

The playing piece is made from two triangles of equal size. Jill painted the face of one triangle white, and the face of one triangle black. Exactly how many square inches (in2) did Jill cover with black or white paint?


A.
10 in2

B.
14 in2

C.
20 in2

D.
40 in2

Answer 1

A.


area of each triangle = 1/2 x ht. x base = 10 sq in. each.