How do I convert radians to degrees? Is it pi/180 or 180/pi? I get them confused! Thanks

Answers

Answer 1

Answer: It could be either one, depending on whether you intend to multiply or divide.

When you convert, just remember that degrees ==> less radians,
and radians ==> more degrees. Then you can always check the
results, and make sure that you used the right conversion factor
in the right direction.

Answer 2

Answer: degrees = radians * 180/pi

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Debbie cut a cord into sixths . She used five of the to make necklaces . She used equal lengths of the remaining cord for each of four bracelets. What fraction of the original cord did Debbie use for each bracelet ?

Answers

So she used $(5)/(6)$ of the cord to make necklaces.
$1- (5)/(6) = (1)/(6)$

She splits the $(1)/(6)$ length into 4 equal lengths.
To divide a fraction by a fraction, you multiply it by its reciprocal.
$(1)/(6) ( (1)/(4))$
$=(1)/(24)$

She used $(1)/(24)$ of the original chord to make each bracelet.

Which of the following demonstrates the commutative property across multiplication for 2× 10 × 7A. 10 ×7 × 2
B. 2 × (10 × 7)
C. (2 × 10) × 7
D. 2 + 10 × 7

Answers

Its A. Kelp dont you dare.

Hey there, commutative property is when you mix up the numbers but you will still the same answer. 2*10*7=140. 10*7*2=140. Therefore, the answer would be A. 10*7*2

Convert 41º F to degrees Celsius.

Answers

41.00°F is 5.00 °Celsius.

o is the centre of the circle and tp is the tangent to the circle from an external point t. if angle pbt=30 prove that Ba:at 2:1

Answers

What are B and a with respect to the circle?

What's the circumference of a circle with a diameter of 12 ft

Answers

circumference=pid
d=diameter
circumference=12pi
if you aprox pi=3.141592
c=37.699104 ft

The answer is 37.7 ft.

Find the measure of angle A

Answers

Answer:

21 degrees

Step-by-step explanation:

Triangles have a total angle of 180 degrees.

This makes our equation:

3x+3+4x+135=180

Subtract 135 from both sides and combine like terms

7x + 3 = 45

Subtract 3 from both sides

7x = 42

Divide both sides by 7

x = 6

Plugging the number in:

3x + 3 =

3(6) + 3 =

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