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A triangle has sides measuring , , and units. What are the angle measures of the triangle? A. 10°, 30°, 43° B. 60°, 60°, 60° C. 30°, 60°, 90° D. 45°, 45°, 90°

A triangle has sides measuring , , and units. What are the angle measures of the triangle? A. 10°, 30°, 43° B. 60°, 60°, 60° C. 30°, 60°, 90° D. 45°, 45°, 90°
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A triangle has sides measuring , , and units. What are the angle measures of the triangle? A. 10°, 30°, 43° B. 60°, 60°, 60° C. 30°, 60°, 90° D. 45°, 45°, 90°

User Matthieu BROUILLARD
by
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1 Answer

2 votes
Since two of the sides are the same measurement, two of the angles have to be the same measurement.
Also the rule for 45-45-90 right triangle, hyp = sqrt2 * leg
hyp = 30sqrt2, confirming the answer is D
User Vetrivel PS
by
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