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Norma-Jean [14]
3 years ago
13

The sum of the measures of the interior angles of a convex polygon is 1080° Classify the polygon by the number of sides​

Mathematics
2 answers:
lozanna [386]3 years ago
6 0

Answer:

(n-2)×180=1080

180n -360=1080

180n = 1080+360

180n =1440

dividing by 180

n=8

hence it is a regular polygon with 8 sides .I.e it is an octagon

Step-by-step explanation:

we are given the total interior angles in the polygon and we know that the formula to find the total interior angles of a polygon is (n-2) ×180

where n is the number of sides

Firlakuza [10]3 years ago
6 0

Answer:

the answer is A

Step-by-step explanation:

just trust me.

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Can someone find the area? ILL LOVE YOU, LITERALLY. Love you ✌
pogonyaev

Answer:

12 units²

Step-by-step explanation:

ABCD is a parallelogram.

The area (A) of a parallelogram is calculated as

A = bh ( b is the base and h the perpendicular height )

Here b = 12 and h = 1, thus

A = 12 × 1 = 12 units²

7 0
3 years ago
14,000 acres of 40,000 acre forest burned in a forest fire. What percentage of the forest was damaged?
Paul [167]
35% was damaged.
1 percent is 400 acres, so 14000/400= 35% of forest was burned


7 0
3 years ago
Read 2 more answers
F(x)=2x^3+ax^2-37x-60<br><br> The binomial x-4 is a factor of f(x). Find the value of a.
jekas [21]

Given:

The function is

f(x)=2x^3+ax^2-37x-60

The binomial x-4 is a factor of f(x).

To find:

The value of a.

Solution:

If x-c is a factor of f(x), then f(c)=0.

It is given that, x-4 is a factor of f(x), then f(4)=0.

We have,

f(x)=2x^3+ax^2-37x-60

Substituting x=4, we get

f(4)=2(4)^3+a(4)^2-37(4)-60

f(4)=2(64)+a(16)-148-60

f(4)=128+16a-208

f(4)=16a-80

Now,

f(4)=0

16a-80=0

16a=80

a=\dfrac{80}{16}

a=5

Therefore, the value of a is 5.

6 0
2 years ago
Find the area of the shaded segment. Round your answer to the nearest tenth. Please include units in your answer.
RSB [31]

Answer: 56

Step-by-step explanation:

Let's organise our information :

  • the radius of the circle is r=14 cm
  • we can get the area of the shaded by substracting the area of that triangle from that quarter

The area of the cercle's quarter area is :

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The area of the triangle is :

  • A=14²*(1/2)=98

NOw the area of the shaded segment :

  • A=49π-98= 55.98 ≈ 56

6 0
3 years ago
Round your answer to the nearest cent.
rjkz [21]

Answer:

Brand A: $0.05

Brand B: $0.07

Brand A is the better buy

Step-by-step explanation:

Brand A: 72x = 3.89

Brand B: 96x = 6.62

Brand A:

72x = 3.89

/72    /72

x = $0.05 (this one is the better buy)

Brand B:

96x = 6.62

/96     /96

x = $0.07

Hope this helps!

7 0
2 years ago
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