asked 77.1k views
4 votes
If the measure of angle BDC=100°, measure of angle A = 50°, and measure of angle DBC= 30°. which statement is true?

A. triangle ABD is obtuse
B. triangle ABC is isosceles
C. measure of angle ABD is 90°
D. triangle ABD is scalene

2 Answers

3 votes

Answer:

B

Explanation:

answered
User Forkdbloke
by
8.6k points
1 vote
B. triangle ABC is isosceles. The angles add up 180 degrees.
answered
User Franklins
by
7.9k points
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