Answer:
210 ft^2
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh where b is the base and h is the height
Since this is a right triangle the base is 20 ft and the heigth is 21 ft
A = 1/2 ( 20) * 21
210 ft^2
The answer is the distributive property because it states that if you have a number multiplied by a quantity, you can just multiply that number by each of the terms in the quantity. For example, a(x+y)=ax+ay.
Hope this helps!
It's a reflection over the y axis because 'a' represents 'x' and if 'a' is negative it flips to the other side leave 'b/y' to remain the same
I think the asnwet is 2 also
