What is the area, in square centimeters, of the triangle?
A)
10 cm2
B)
12 cm2
C)
16 cm2
D)
24 cm2

Answer:
B) 12 cm^2
Step-by-step explanation:
4^2+?^2=5^2
16+?^2=25
?^2=9
?=3
A= (3*4*1/2)+(3*4*1/2)
A= 12 cm^2