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Ber [7]
3 years ago
9

Bianca calculated the height of the equilateral triangle with side lengths of 10. Then, she used the formula for area of a trian

gle to approximate its area, as shown below. Calculate the area of the equilateral triangle using the formula for area of a regular polygon, and compare it to Bianca’s answer. The apothem, rounded to the nearest tenth, is ---units. The perimeter of the equilateral triangle is ---units. Therefore, the area of the equilateral triangle is---- , or approximately 43.5 units2. The calculated areas are---
Mathematics
2 answers:
tekilochka [14]3 years ago
6 0
2.9
30
1/2(2.9)30
the same. despite different formulas.
give me brainliest pls
DanielleElmas [232]3 years ago
5 0

Answer:

1) - A. 2.3

2) - C. 30

3) - A. 1/2(2.9)(30)

4) - D. The same, despite using different formulas.

Just took quiz.

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The numbers 8, 15, 17 are a Pythagorean Triple, so we know the radius of the circle is 17. Filling in the given information in the standard equation of a circle, we get ...

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_____

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