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WINSTONCH [101]
3 years ago
15

Help please asap :))

Mathematics
1 answer:
abruzzese [7]3 years ago
5 0

Answer:

6.28

Step-by-step explanation:

You need to find the circumference,

so 2*3.14*R

the radius is 4 so

2*3.14*4

25.12

now you have found the length of the full circle, you need to find a quater like because there is 4 90 degres in a circle

so divide you answer by 4

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What is the perimeter of the rectangle? 7cm 7cm 5cm 5cm
Charra [1.4K]

Answer:

24 centimeters

Step-by-step explanation:

7 + 7 + 5 + 5 = 24

have a nice day :)

5 0
2 years ago
What is the measure of an exterior angle in a regular polygon with 15 sides?
vlabodo [156]
First, find the measure of an interior angle:
the sum of the interior angles of a polygon is (n-2)*180, n is the number of sides
for a 15-sided polygon, the sum is 13*180
each interior angle is then 13*180/15=156
the measure of each exterior angle=180-156=24
4 0
3 years ago
Read 2 more answers
What is the point-slope form of a line that has a slope of 5 and passes through the point (3, –4)?
Alinara [238K]

Answer:

y + 4 = 5(x - 3)

Step-by-step explanation:

In the Point-Slope Formula, <em>y</em><em> </em><em>-</em><em> </em><em>y</em><em>₁</em><em> </em><em>=</em><em> </em><em>m</em><em>(</em><em>x</em><em> </em><em>-</em><em> </em><em>x</em><em>₁</em><em>)</em><em>,</em><em> </em>all the negative symbols give the OPPOSITE terms of what they really are.

6 0
3 years ago
PLEASE SOLVE FOR QUESTION 13!!!!!
Reptile [31]
X + x + x + 20 + 10 = 180
(combine like terms)
3x + 30 = 180
3x=180-30
3x=150
x=150/3
x=50
8 0
3 years ago
Read 2 more answers
If AD=6 and AB=24, find AC
ruslelena [56]
When a perpendicular is dropped from the right-angle (C) to the opposite side AB, the metric relations apply:
BD*BA=a^2 ..........................(1)
AD*AB=b^2...........................(2)
BD*DA=DC^2........................(3)

Given AD=6, AB=24, using metric relation (2) above, we have
b^2=6*24=144
=>
b=sqrt(144)=12

By the way, we conclude that this is a 30-60-90 triangle because b/AB=(1/2)=sin(B) => B=30 degrees.

Answer: b=12
6 0
3 years ago
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