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4 votes
4 votes
21 and 22 are complementary angles. The measure of Z1 is 60°. The

measure of 22 is 5(x - 1)º. Find the value of x.

21 and 22 are complementary angles. The measure of Z1 is 60°. The measure of 22 is-example-1
User Tim Gradwell
by
3.3k points

1 Answer

20 votes
20 votes

Answer:

The value of x is 7

Explanation:

Complementary angles have a sum of 90°, therefore the equation to solve for x is:

∠1+∠2=90°

60°+5(x-1)°=90°

5(x-1)=30°

x-1=6

x=7

So the value of x is 7

User Theresia
by
3.0k points
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