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Solving Equations with Complementary/Supplementary Angles

Last updated almost 5 years ago

9 questions

1 point

1

Question 1

1.

Question 1: Solve for x.
These angles are COMPLEMENTARY. They add up to 90 degrees. This means x + 18 + x = 90.
Don't forgot to "Combine Like Terms" (like this: 2x + 18 = 90), then solve!

x = 24 degrees

x = 36 degrees

x = 81 degrees

x = 122 degrees

1 point

1

Question 2

2.

Question 2: Solve for x.

x = 35 degrees

x = 48 degrees

x = 68 degrees

x = 71 degrees

1 point

1

Question 3

3.

Question 3: Solve for x.

x = 35 degrees

x = 42 degrees

x = 80 degrees

1 point

1

Question 4

4.

Question 4 - Solve for x.

1 point

1

Question 5

5.

Question 5 - Solve for x.
These angles are SUPPLEMENTARY. They add up to 180 degrees. This means x + 20 + x + 10 = 180.
Don't forgot to "Combine Like Terms" (like this: 2x + 30 = 180), then solve!

x = 40 degrees

x = 65 degrees

x = 75 degrees

x = 95 degrees

1 point

1

Question 6

6.

Question 6 - Solve for x.
You can take them out of the ( ) before you add them together.
Like this: x + x - 50 = 180.
Don't forget to Combine Like Terms before you solve!

x = 60 degrees

x = 85 degrees

x = 100 degrees

x = 115 degrees

1 point

1

Question 7

7.

Question 7 - Solve for x.
You can take the numbers out of the ( ) before you add them together.

1 point

1

Question 8

8.

Question 8 - Solve for x.
You can take the numbers out of the ( ) before you add them together.

x = 57 degrees

x = 63 degrees

x = 85  degrees

0 points

0

Question 9

9.

Question 9 - Optional
Bonus! Solve for x.

x = 36 degrees

x = 81 degrees

x = 45 degrees

x = 22 degrees