Answer:
I hope the pic i gave is helpful!!!
Which statement explains how you could use coordinate geometry to prove that quadrilateral ABCD is a parallelogram? A. Prove tha
t all sides are congruent and have slopes that are opposite reciprocals. B. Prove that segments AD and AB are congruent and parallel. C. Prove that opposite sides are congruent and have equal slopes. D. Prove that segments BC and CD are congruent and parallel.
1 answer:
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Answer:
8 ft
Step-by-step explanation:
The area (A) of a triangle = bh
where b is the base and h the perpendicular height
Using b = 20 and h = 12, then
A = 0.5 × 20 × 12 = 120 ft²
Using b = 30 and perpendicular height = h, then
0.5 × 30 × h = 120
15h = 120 ( divide both sides by 15
h = 8