SOLUTION: A triangular sandbox has angles whose measures are in the ratio 3:7:2. What is the measure of the smallest angle? a. 10° b. 30° c. 70° d. 20°

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Question 830324: A triangular sandbox has angles whose measures are in the ratio 3:7:2. What is the measure of the smallest angle?
a.
10°
b.
30°
c.
70°
d.
20°
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The angles in a triangle sum to 180.
3A%2B7A%2B2A=180
12A=180
A=15
The three angles are then 3A, 7A, and 2A.
The smallest is 2A.