Answer:
dang
Step-by-step explanation:
A. x – 58 = 129
yes
B. x + 58 = 129
no
C. 180 – 129 − 59 = x
yes
D. 129 – 58 = xyes
E. (180 – 129) – 51 + x = 180no
hope this helps
9 x 72 = 9 x ? + 9 x 2
72 = 8 x 9 = 4 x 2 x 9
9 x 72 = 9 x 4 + 9 x 2
Distribute the two: 2x + 6 = 18
Subtract the six: 2x = 12
Divide by two: x = 6
That's your answer!
I think it's 79.50 square units. there three triangles in the quadrilateral shape above with the areas given so add the areas together to get the answer
Hope you have a great day today