She regrouped the numbers instead of multiplying like 8b(2b-r) -4r(2b-r).
4x+19=7x+16
4x=7x-3
-3x=3
x=1
probability//
Step-by-step explanation:
Answer:
Area (A) = ½ (b × h) square units
Step-by-step explanation:
The general formula for calculating the area of a triangle is; Area (A) = ½ (b × h) square units, where; A is the area, b is the base, and h is the triangle's height. The triangles might be different in nature, but it important to note that this formula applies to all the triangles.