Ariel's bill for brunch at a restaurant was $76. She left a 15% tip. What was the amount of the tip?
2 answers:
You might be interested in
ANSWER
EXPLANATION
The surface area of a triangular prism is
equal to the area of two triangular faces
plus the area of the three rectangular faces.
The area of the equilateral triangle is calculated using the formula:
where s=6 is the length of one side.
and b=6 is the breadth of the rectangle and h=10 is the height of the rectangle.
Surface area
=211.2square inches.