For numbers 6-10, refer on the figure at the right:
6. What is the relationship between (4x+20)° and (x-10)°?
7. 4x+20)° + (x-10)° = ______ (90° or 180°)
8. What is the value of x?
9. What is the measure of the smaller angle?
10. What is the measure of the bigger number?
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• Answers:
For numbers 6-10, refer on the figure at the right:
6. What is the relationship between (4x+20)° and (x-10)°?
• They are supplementary. Their sum add up to 180° and form a straight angle.
7. (4x+20)° + (x-10)° = ______ (90° or 180°)
• Since they are supplementary, their sum is 180°.
8. What is the value of x?
• The value of x is 34.
Solution:
9. What is the measure of the smaller angle?
• The measure of the smaller angle is 24°.
10. What is the measure of the bigger number?
• The measure of the bigger number is 156°.
Solution for Number 9 and 10: