Formula for finding the area of a triangle:
Where b is the base and h is the height.
Substitute the variables for the values.
A = 270
So, the area is 270 square centimeters.
Answer:
(1 + 2/7) +(2 + 1/3)*x+ 3/14 +x=9
140x = 315
x = 9
4
= 2.25
Step-by-step explanation: