Answer:
(7, 3)
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
It’s A because yea just it is and grabbed
3a) Answer: 84 degrees
Step-by-step explanation:
3x + 2(x+20)= 180 (total sum of angles in a triangle is 180 degrees)
5x+40 = 180
5x = 140
x= 28
3x= 28 x 3
= 84
Answer:
12
Step-by-step explanation:
(6)² = 3x
then x= 36/3
x= 12