Question

answer the first one​

Answer 1

Answer:measures of angle of A =35

Step-by-step explanation: ang A =7y -21

ang C =4y +3

.°. 7y-21+4y+3

7y-4y +3+21

3y+24

.°. y =24/3

y=8

.°.Ang A = 7y-21

= 7×8-21

= 56-21

=35