7. In the figure, if AB = x + 12, BC = %, and AC - 50 cm, then what
is the length of ABB
A
B
a. 19
C 21
d. 31
b. 38
8. If the measure of two acute angles is added, then it will form a
third angle. Which of the following cannot be the third angle
a. A straight angle
c. An acute angle
b. A right angle
d. An obtuse angle
9. In the figure, angle PMR is a right angle. If m/PMS is equal to 10
more than m/SMR, then what is m/SMR
a, 90°
C. 50°
b. 110°
d. 40°

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