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10 votes
What
UX
is the
value
ABC
of L
AX
+
B.

What UX is the value ABC of L AX + B.-example-1
User Xiaoting
by
7.1k points

1 Answer

12 votes

Answer:

72°

Explanation:

Angle B is the same as angle C in this isosceles triangle. The sum of the angles is 180°, so you have ...

x + 2x +2x = 180°

x = 180°/5 = 36°

∠ABC = 2x = 2(36°) = 72°

User RonnBlack
by
6.8k points