Use the Area of the rectangle to find the area of the triangle.

Answer:
B
Step-by-step explanation:
First, the formula of a triangle is l x h/2, so 6 x 7 = 42, but 42/2 = 21 so your answer is B
Hope this helps!
Answer:
B I think
Step-by-step explanation:
7 x 6 divided by 2 = 21
It doesn't have the lengths of the rectangle.