An isosceles triangle has angle measures 55°, 55°, and 70°. The side across from the 80° angle is 10 inches long. How long are t
he other sides? A. 8.72 inches B. 11.47 inches C. 10 inches D. 8.19 inches
2 answers:
Answer: it is D 8.19 inches
Step-by-step explanation:
Answer:
Measure of three angles of Isosceles Triangle are ,55°, 55°, and 70°.
Length of side across 80° angle = 10 inches
We will use Sine Rule Here, which states that

Length of other sides = 8.41 inches
Option D: 8.19 inches
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