Hi!
The equation to find the area of a triangle is...
(a = area
b = base
h = height)
Fill in the values that we already have.Divide both sides by 1/21722 = 82*h
Divide both sides by 82.1722/82 = 82/82*h
21 = h
The answer is B. 21 cmHope this helps! :)
The area of the parallelogram is 9 square units
Answer:
Perpendicular bisector
Step-by-step explanation:
Have a great day!!