Question

Given: mÐPQR = x– 5, mÐSQR = x – 11, and mÐPQS = 100.
Find x.
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mÐPQR +mÐSQR = mÐPQS
a. __________
x– 5 + x– 11 = 100
b. Substitution Property
2x– 16 = 100
c. Simplify
2x = 116
d. __________
x = 58
e. Division Property of Equality
Select one:
a. Angle Addition Postulate; Subtraction Property of Equality
b. Protractor Postulate; Addition Property of Equality
c. Angle Addition Postulate; Addition Property of Equality
d. Protractor Postulate; Subtraction Property of Equality