Asked by hello1

what is the formula for area of an equilateral triangle

Answers

Answered by hello1
can you give me an example using 9 as the side legnth
Answered by hello1
Use the image to answer the question.

An illustration shows a 2 D net of a triangular prism with all of its sides open and visible. Dimensions are labeled. The parts that are not visible in 3 D view are marked with dashed lines. It appears as a triangle in the middle attached to a rectangle on each side. The sides of two legs of the triangle are each labeled 9 centimeters. The length and width of the rectangles is 17 centimeters and 9 centimeters respectively. Another triangle of vertical height 7.8 centimeters is attached to one of the rectangles, opposite to the middle triangle.

What is the total surface area represented by this net of a triangular prism? Your answer should have two decimal places.

Answered by hello1
nope not even close
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