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3 years ago

The measure of an angle is 31°. what is the measure of its complementary angle??

Mathematics

2 answers:

Tanya [424]3 years ago

5 0

Answer:

329 degrees

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Dovator [93]3 years ago

3 0

The complement of 31° is the angle that when added to 31° forms a right angle (90° ).

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I really need help with b I have already done a

marishachu [46]

Answer:

Step-by-step explanation:

In the first pattern, there were 6 sticks

In the second pattern, there were 10 sticks.

In the third pattern, there were 14 sticks.

Based on the pattern, we see that each time, 4 more sticks are added and that the initial amount of stick is 6.

Thus: the equation for how many sticks there would be in pattern n is:

# of sticks in pattern n = 6 + 4n

Hope that helps!

3 0

3 years ago

Estimate 92.49 - 63.854 by first rounding each number to the nearest whole number.

san4es73 [151]

92.49 -63.854 ≈ 92 -64 = 28

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Actual difference is 28.636.

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3 years ago

Find the perimeter of triangle PQR. Round your answer to the nearest tenth.

BabaBlast [244]

We are given the coordinate of the 3 vertices. From these coordinates we can find the length of the sides using the distance formula and the sum of all the sides will be equal to the perimeter of the triangle.

Side PQ = $\sqrt{ (6-(-2))^{2}+ (1-1)^{2} }=8$

Side QR = $\sqrt{ (4-6)^{2}+ (-3-1)^{2} }=4.5$

Side RP = $\sqrt{ (2-(-4))^{2}+ (-3-1)^{2} }=7.2$

So, the perimeter of the triangle will be 8 + 4.5 + 7.2 = 19.7

You probably misplaced the digits in option A. The correct answer is 19.7 units.

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3 years ago

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maks197457 [2]

A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted.A triangle with all sides equal is called equilateral, atriangle with two sides equal is called isosceles, and atriangle with all sides a different length is called scalene.

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3 years ago

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motikmotik

Answer:

it's b

Step-by-step explanation:

If you can use your phone in class, I highly suggest the desmos app because you can just put the equations in and it shows you everything

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3 years ago

The measure of an angle is 31°. what is the measure of its complementary angle??​

The measure of an angle is 31°. what is the measure of its complementary angle??