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snow_tiger [21]
3 years ago
6

A circle has a radius of 19m . find the radian measure of the central angle θ that intercepts an arc of length 6m .

Mathematics
1 answer:
Dafna1 [17]3 years ago
4 0
First, find the perimeter of the circle
p = 2 × π × r
p = 2 × 3,14 × 19
p = 119.32
The perimeter of the circle is 119.32 cm

Second, find the central angle
Comparison of the central angle, full rotation angle, the arc, and the perimeter can be written as
angle/(full rotation angle) = arc/perimeter
angle = arc/perimeter × (full rotation angle)

Input the numbers
angle = arc/perimeter × (full rotation angle)
angle = 6/119.32 × 360°
angle = 6(360°)/119.32
angle = 2,160/119.32
angle = 18.1

The central angle would be 18.1°
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Find the area of this parallelogram.<br><br> 8.9 cm<br> 7.1 cm<br> 11.4 cm
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<h3>Answer: 80.94 square cm</h3>

==================================================

Work Shown:

Area of parallelogram = base*height

Area of parallelogram = 11.4*7.1

Area of parallelogram = 80.94 square cm

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notes:

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5. Identify the type and subtype of each of the fol-
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Answer:

a) Kylie has 8 marbles

b) 7 Cylinders

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Step-by-step explanation:

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lowing problems.

a. Shawn has 15 marbles, which is 7 more marbles than Kyle has. How many marbles does Kyle have?

Shawn = 15 marbles

S = K + 7

15 = K + 7

K = 15 - 7

K = 8 marbles

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T = 12 blocks

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12 blocks = Cubes + Cylinders

Cylinders = 12 - Cubes

Cylinders = 12 - 5

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Number of carrots Peter has before

= Number of carrots he ate + Number of carrots he has now

= 14 + 3

= 17 carrots

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Total number of Marbles = 17

Kelly = 9 marbles

Shauntay = ?

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= ( 17 - 9) marbles

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