Answer:
99
Explanation:
(b)(c) = 21
SInce there are 2 triangles with an area of 21, multiply that by 2 and divide it by 1/2.
(c)(a) = 39
Do the same thing
(a)(c) = 39
add everything up
21 + 39 = 60
60 + 39 = 99
Hope this helps!
4.7m questions
6.1m answers