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xeze [42]
3 years ago
14

Ok so how can you tell if 2 angles are complementary, vertical, or supplementary? I don't know how to tell and I have pre-algebr

a hw due tomorrow. ​
Mathematics
1 answer:
Ne4ueva [31]3 years ago
7 0

Complementary angles are two angles that add up to 90°

Supplementary angles are two angles that add up to 180°

Vertical angles are two angles that are opposite of each other and are also congruent

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What is the answer to this?
irina1246 [14]
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3 0
3 years ago
Could you help me plz
Nadya [2.5K]

Answer:

Step-by-step explanation:

(For a circle)

Circumference formula: π*2r

Area formula: π*r^2

1:

A)

π*2(3) =>6π=>18.84 m

B)

π*(3)^2=>9π=>28.27 m^2

2.

A)

π*2(3.1)=>6.2π=>19.47 m

B)

π*(3.1)^2=>9.61π=>30.19 m^2

6 0
3 years ago
Find the sine and cosine of the given angle<br> 120°
SIZIF [17.4K]

Answer:

By using the value of cosine function relations, we can easily find the value of sin 120 degrees. Using the trigonometry formula, sin (90 + a) = cos a, we can find the sin 120 value. We know that the value of cos 30 degrees is √3/2. Therefore, sin 120° = √3/2

Step-by-step explanation:

please mark brainlist

3 0
2 years ago
Use the formula d =rt to find the distance d a long distance runner can run at a rate r of 9 1/2 miles per hour for time t of 1
shtirl [24]
D=rt
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This will give you:
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Then you solve:
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You should probably convert that decimal answer into a fraction since you're question gave it to you as a fraction.
3 0
3 years ago
How can we represent a time that came before a specific zero point​
Oduvanchick [21]

Answer:

by stating what the time was before the zero point came.

Step-by-step explanation:

3 0
3 years ago
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