4 years ago

WHAT IS THE REFERENCE ANGLE FOR 357 DEGREES

Mathematics

1 answer:

andre [41]4 years ago

5 0

The reference of the angle would be 45 degrees

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An angle measures 51.4° less than the measure of its complementary angle. What is the measure of each angle?

kap26 [50]

Answer:

70.7 deg, 19.3 deg

Step-by-step explanation:

The sum of the measures of complementary angles is 90 deg.

One angle measures x.

The other angles measures 51.4 deg less than x, or x - 51.4.

The sum of their measures equals 90.

x + x - 51.4 = 90

2x - 51.4 = 90

2x = 141.4

x = 70.7

x - 51.4 = 70.7 - 51.4 = 19.3

Answer: 70.7 deg, 19.3 deg

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3 years ago

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The price of a coat increased from $78 to $92. What is the price increase percentage?

blagie [28]

Answer:

18%

Step-by-step explanation:

Since the original price is $78 then this is the original 100% of the price. The new price will be marked up x percent and be $92. To find the new price set up a proportion with these values:

$\frac{92}{78}=\frac{x}{100}$

Solve for the original price by cross multiplying numerator with denominator.

x(78) = 92(100)

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This is 18% more or over the original price.

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