Answer:
this figure is straight line angle is 180°.
angle rps+ angle qpr= angle qps
6x+11°+7x+143°=180°
13x+154°=180°
13x=180°-154°
13x=26
x=26/13
x=2
angle rps is 6x+11
6×2+11
23°
Step-by-step explanation:
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The answer should be...144 square inches
perimeter
= 2 (l+b) inches
= 2(10+5) inches
= 2(15) inches
= 30 inches