Answer:
69 yards
Step-by-step explanation:
Perimeter = 2(length + width)
300 = 2(81 + width)
150 = 81 + width
width = 69
Answer:
90
Step-by-step explanation:
a triangle's angles all add up to 180. take 51 and 39 away from 180 and you get 90
Answer:
When two quantities increase or decrease together they are said to be directly. proportional
