A family purchases a light sphere to be used out on their patio. The diameter of the sphere is 20 in. What is the volume of the
2 answers:
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Answer:
50degrees
Step-by-step explanation:
The sum of angle in the triangle is 180degrees, hence;
<PQR + arcQR + 90 = 180
<PQR + 40 + 90 =180
<PQR + 130 = 180
<PQR = 180 - 130
<PQR = 50degrees
Hence the measure of angle PQR is 50degrees
