Answer:
43 & 53
Step-by-step explanation:
They are COMPLEMENTARY ANGLES since they form a right angle or add up to 90°
Answer:
answer A
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Answer:
perimeter is 12x-6
Step-by-step explanation:
perimeter is the sum of all sides
3(x+2) + 2x+11 + 7x-23
distribute the 3 in the first term, then combine 'like terms'
3x+6 + 2x+11 + 7x-23
3x+2x+7x + 6+11+(-23)
12x-6
