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Triangle Sum Theorem

Interior angles add to 180 degrees

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Given Two Congruent Triangles, Solve for the Unknown Interior Angle (part 2)
teacher Contributed
What is the measure of \(x\) in degrees?
A
B
C
(x-10)°
30°
P
Q
R
90°
ABCPQR
ABCPQR
qid: 100272
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