4 years ago

The measure of angle x is 18 more than 3 times the measure of its complement.

1 answer:

Alex4 years ago

4 0

Complementary angles = two angles that add to 90° complement each other.

So, angle x = 3y+18
y= complementary angle
(3y + 18) + y = 90
4y+18 = 90
4y=72
y=18°

x= 3y+18
x= 3(18) +18
angle x = 72°

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