Use the parallelogram below to solve for x x , then find the length of all 4 sides. figure
1 answer:
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Answer:
D
Step-by-step explanation:
The area (A) of an equilateral triangle is calculated as
A = ← s is length of a side
Here s = 12, thus
A =
=
= 36 → D
Answer:
y = x + 15 –(1)
x + y = 85
Putting (1)'s value,
x + x + 15 = 85
2x + 15 = 85
2x = 85 - 15 = 70
x = 70/2 = 35