- #1
Leo34005
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Homework Statement
AB ≅ CD. Find the length of BD.?
AB ≅ CD. Find the length of BD.
Homework Equations
A) 8
B) 10
C) 4
D) 7
E) -7
The Attempt at a Solution
AB = 2x + 5x + 7 = 7x + 7
CD = 5x + 7 + 3x - 4 = 8x + 3
AB ~= CD
7x + 7 = 8x + 3
7 - 3 = 8x - 7x => x = 4
BD = 3x - 4 = 3(4) - 4 = 8
ans: A) 8