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True [87]
3 years ago
11

2) find the area of each. Leave your answer in terms of Pi. 4) find the area of each.

Mathematics
1 answer:
Delvig [45]3 years ago
3 0

Answer:

Area of circle= 81π

Area of triangle= 371.8 yards

Step-by-step explanation:

<em>2) Area of circle = πr²</em>

<em>Area of circle = π*(18/2)²</em>

Area of circle = 81π

Therefore, the area of circle is 81π.

<em>4) Area of triangle = 1/2*base*height</em>

<em>Area of triangle = 1/2*22*33.8</em>

Area of triangle = 371.8 yards

Therefore, the area of the triangle is 371.8 yards.

!!

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Answer:

1

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. The types of triangles are scalene triangle, equilateral triangle, right angled triangle and obtuse triangle.  

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cosθ = adjacent/hypotenuse, sinθ = opposite/hypotenuse, tanθ = opposite/adjacent

Given the right angle triangle:

cos(A) = adjacent / hypotenuse = 3 / 4.24

cos(A) = 3 / 4.25

cos(B) = adjacent / hypotenuse = 3 / 4.24

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cos(A) / cos(B) = (3 / 4.24) ÷ (3 / 4.24) = 1

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3 years ago
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2 years ago
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