Question

PLEASE HELP PLEASEEEEEEEE I REALLY NEED HELP!!!!

Answer 1

Answer:

1.

x+64°+47°+74°=180°[sum of interior angle of a triangle ]

x+185°=180°

x=180°-185°

x= -5°

2.

5x+5+80°+60°=180°[sum of interior angle of a triangle ]

5x+145°=180°

5x=180°-145°

5x=35°

x=35°/5

x=7°

3.

(5x+1)°+(x+23)°=180°[linear pair]

5x+1°+x+23°=180°

6x+24°=180°

6x=180°-24°

x=156/6

x=26°

4.

4x°+40°=180°[linear pair]

4x°=180°-40°

4x°=140°

x=35°

5.

(4x+3)°=71°[vertically opposite angle]

4x+3°=71°

4x=71°-3°

4x=68°

x=68°/4

x=17°

6.

(4x+3)°=55°[vertically opposite angle]

4x+3°=55°

4x=55°-3°

x=52°/4

x=13°

7.

(x+21)°+2x°=90°[right angle]

3x°+21°=90°

3x°=90°-21°

x°=69°/3

x=23°

8.

(3x+1)°+26°=90°[right angle]

3x+27°=90°

3x=90°-27°

x=63/3

x=21°