Answer:
<em>90 degrees</em>
<em>90 degreesPerpendicular lines are lines that intersect at a <u>right (90 degrees) angle.</u></em>
√s(s-a) (s-b) (s-c)
Step-by-step explanation:
123456
herons formula
idk the answer
3x+10 = 100
or
100 - 10 = 3x
3 bottles
area=base x height
area=30 x 15=450 ft^2
450/180=2.5
