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Find m∠1.

A) 103°

B) 13°

C) 77°

D) 26°

Find M1A 103B 13C 77D 26 class=

Sagot :

Answer:

B) 13°

Step-by-step explanation:

a right angle is 90°. Angle 2 is congruent to 77° so it is 77°. 90° minus 77° gives you the total of 13°. 13 + 77 = 90

The measurement of angle 1 is B) 13°

Explanation: 2=77° because it shares a vertex angle 1 and 2 equal 90°. So 90°-77°=13°