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kap26 [50]
3 years ago
10

How would you find the area in this regular polygon

Mathematics
1 answer:
Olegator [25]3 years ago
4 0
This is a pentagon, with five equal central angles.  Each central angle is 360 degrees/5 = 72 degrees.

The pentagon has five pie-shaped pieces, each with an angle of 72 degrees and two other angles, which are equal, of 54 degrees.

The "base" of each such triangular (pie-shaped) pieces is 5.

Use this info to find the area of ONE of these pieces.

Then multiply your result by 5 to obtain the total area of this pentagon.
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I need help with this
tatyana61 [14]

Answer:

x = 85

Step-by-step explanation:

To solve, first find the angle of the other missing angle in the left by subtracting the outside angle from 180:

180 - 155 = 35

Then add this and the known angle:

35 + 60 = 95

Then subtract this from 180 to get the missing angle for x:

180 - 95 = 85

7 0
3 years ago
A cistern can be completely drained by a pipe in 6 hours. It can be filled by two pipes in 4 hours and 5 hours, respectively. Ho
boyakko [2]
X/4 +x/5 -x/6=1
make the denominator the same: 
15x/60 +12x/60 -10x/60=1
17x=60
x=60/17=3.53 hours

the second choice is the correct answer.
6 0
3 years ago
Tom's coach keeps track of the number of plays that Tom carries the ball and how many yards he gains. Select all the statements
Brums [2.3K]

Answer:The dependent variable is the number of plays he carries the ball.

The independent variable is the number of touchdowns he scores.

The dependent variable is the number of yards he gains.

These are the ones that you need to choose.

7 0
3 years ago
Mariah collects 3 spiders each spider has eight legs.Brian gives her 1more spider. how many legs do Mariah's spiders have altoge
kompoz [17]
Tem 32 pernas de aranha
6 0
3 years ago
Solve for the missing side round to the nearest 10th (look at image)
SIZIF [17.4K]

Answer:

14.3

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2   where a and b are the legs and c is the hypotenuse

14^2 + 3^2 = c^2

196 + 9 = c^2

205 = c^2

Take the square root of each side

sqrt(205) = sqrt(c^2)

14.31782106 = c

Rounding to the nearest tenth

14.3 = c

3 0
2 years ago
Read 2 more answers
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