Question

Find the m<bac, if m<dec= 58 and m<edc =43
a. 43
b. 58
c. 79
d. 101

Answer 1

79 Degrees

Explanation:

Find the m∠BAC, if m∠DEC = 58° and m∠EDC = 43°.

43°

58°

79°

101°

Odyssey

Answer 2

We are looking to figure out the size of m<CAB
Since line AB is parallel to the line CD, m<CAB corresponds to m<ECD which means the size of the angles equals
m<ECD can be found by using the fact that angles in a triangle add up to 180°,
hence, 180°-58°-43°=79°

The size of m<CAB is 79°