The slope of any line on the x-y plane is expressed as the rise divided by the run - the "rise" here is the change in the y coordinate, and the "run" is the change in the x coordinate. Given -4 and 8 as your y coordinates in this problem, and 3 and -1 as your x coordinates, how can you find the change - or difference - in each? Once you have those, you'll just need to put the
Total surface area= 2πrh
=2*22/7*5*8
=251.4cm²
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So you only have 3 sides so the perimeter will be length+2width instead of 2length+2 width
l+2w= perimeter
you know the length of the longest side is 15
15+2w = perimeter
and you also know that he is using 31 feet of fencing
15+2w = 31
2w = 16
w=8
Answer:
72
Step-by-step explanation:
Triangle area formula: A = 1/2 (B) (H)
This means the area of a triangle is half of the base times the height.
So we can plug the numbers into the formula:
A = 1/2 (16) (9)
16 x 9 is 144, divided by 1/2 is 72.
Final answer 72.