10 Inches
A = p q / 2
p = diagonal 1
q = diagonal 2
2A / q = p
Solve for p
180/18 = 10
Answer:
Step-by-step explanation:
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Answer:
u = -7
Step-by-step explanation:
-3+4u=-31
Add 3 to each side
-3+3 +4u = -31+3
4u = -28
Divide each side by 4
4u/4 = -28/4
u = -7