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vaieri [72.5K]
3 years ago
11

Q1.work out the sum of the interior angles of a pentagon.

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0

Answer:

<u><em>Question 1:</em></u>

<em>The sum of interior angles of a polygon can be found by the following formula:</em>

(n-2) × 180

<em><u>Where n is the no. of sides</u></em>

A pentagon has 5 sides

So,

= (5-2) × 180

= (3) × 180

= 540 degrees

<u><em>Question 2:</em></u>

Since The sum of interior angles of a regular octagon is 1080 and the total interior angle are 8

So, Measure of interior angle = \frac{1080}{8}

Measure of interior angle = 135 degrees

<u><em>Question 3:</em></u>

<em><u>Since, one interior angle in a hexagon measures 120 degrees.</u></em>

So,

<em>The interior angle should be subtracted by 180 to get the exterior angle.</em>

Exterior angle = 180-120

Exterior Angle = 60 degrees

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TELE
Aleonysh [2.5K]

Answer:

$23271.49

Step-by-step explanation:

The function C(t) = C(1 + r)^{t} models the rise in the cost of a product that has a cost of C today, subject to an average yearly inflation rate of r for t years.

Now, if the average annual rate of inflation over the next 8 years is assumed to be 2.5% then we have to find the inflation-adjusted cost of a $19100 motorcycle after 8 years.

Therefore, the cost will be C(8) = 19100(1 + \frac{2.5}{100} )^{8} = 23271.49 dollars. (Answer)

8 0
3 years ago
1. Factor.......12x^5+6x^2−18
tester [92]
The answer is c.. Just use the distributive property on c and it will equal what you have to factor


5 0
3 years ago
Read 2 more answers
Vincent ran 24 laps on monday. This is 63 2/3 of the maximum number of laps he has run in one day. What is the maximum number of
ivann1987 [24]

63.66%x=24

x=240000/6366

=40000/1061

4 0
3 years ago
What are the missing angle measures in triangle ABC?
Finger [1]

we know that

In the right triangle ABC

∠A+∠B=90 ------> by complementary angles

so

Step 1

Find the measure of angle B

we know that

tan\  B=\frac{opposite\  side\  angle\  B}{adjacent\  side\  angle\  B}

in this problem

opposite\  side\  angle\  B=7in\\ adjacent\  side\  angle\  B=5in

so

tan\  B=\frac{7}{5} \\ \\ B=arc\ tan\frac{7}{5} \\ \\ B=54.5\ degrees

Step 2

Find the measure of angle A

A+B=90\\ A=90-B\\ A=90-54.5\\ A=35.5\ degrees

therefore

the answer is the option

35.5° and 54.5°




5 0
3 years ago
Read 2 more answers
Write an equivalent expressions 48 + 18x
jeka94
If you factor it, you can get an equation that is equivalent. So take out a 6. that leaves you with 6(8+3x)
8 0
3 years ago
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