sam4832
sam4832
05-01-2020
Mathematics
contestada
x=
A-10
B-12
C-square root of 81
D-5
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jackhankey
jackhankey
05-01-2020
A. Line that equals 7 must be perpendicular due to the triangle being isosceles. Use Pythagorean theorem on one of the triangles to find that the missing length is 5. 5 can be multiplied by 2 because the triangles are congruent. So x=10.
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