What is the relationship between degrees and radians?

$$180\degree = \pi\text{ radians}$$ .

How do you find a coterminal angle?

To find a coterminal angle, add or subtract $$360\degree$$ or $$2\pi$$ radians.

What is the formula to convert radians to degrees?

Degrees = Radians * $$\frac{180}{\pi}$$ .

If an angle is $$\frac{5\pi}{3}$$ radians, what is a coterminal angle in the range of $$[0, 2\pi)$$ ?

$$\frac{5\pi}{3} - 2\pi = -\frac{1\pi}{3} + 2\pi = \frac{5\pi}{3}$$ .

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Math

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Radians And Arc Length

Warmup Coterminal, Arc Length, Lv

Warmup Coterminal, Arc Length, LV

Flashcard

•

Mathematics

•

9th Grade

•

Practice Problem

•

Hard

•

CCSS

HSF.TF.A.1, HSG.C.B.5

Standards-aligned

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FLASHCARD QUESTION

Front

Back

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CCSS.HSF.TF.A.1

FLASHCARD QUESTION

Front

Find the arc length. Leave your answer in terms of π.

Back

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CCSS.HSG.C.B.5

FLASHCARD QUESTION

Front

Back

FLASHCARD QUESTION

Front

The length of an arc is 18cm and the radius of the circle is 6cm. What is the radian measure of the central angle?

Back

Tags

CCSS.HSG.C.B.5

FLASHCARD QUESTION

Front

A central angle measures 4.5 radians and has an arc of 35 inches. What is the radius of the circle?

Back

Tags

CCSS.HSG.C.B.5

FLASHCARD QUESTION

Front

Define coterminal angles.

Back

FLASHCARD QUESTION

Front

What is the formula for arc length?

Back

Tags

CCSS.HSG.C.B.5

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