Respuesta :
Answer:
Area = 31.5 units^2
Step-by-step explanation:
7 x 3 = 21
Area of triangle is (height x base) / 2
(3 x 7) / 2 = 10.5
21 + 10.5 = 31.5
hope this helps!
the reason the base is 3.5 is because you split the 7 into 2
the reason the base is 3.5 is because you split the 7 into 2