ljeeps82 ljeeps82

23-12-2016
Mathematics

contestada

ΔTIC is an isosceles triangle with vertex angle I. Find the measures of the base angles of ΔTIC if m∠I = 100º.
A)80°
B)50°
C)60°
D)40°

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ddhashbrown ddhashbrown

23-12-2016

It would be D: 40 degrees. This is because in an isosceles triangle, the base angles are the same and since the measure of a triangle equals 180 degrees, the base angles would be 40 degrees because 100+40+40 = 180.

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