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shepuryov [24]
3 years ago
8

What do you call a polygon with nine sides?

Mathematics
1 answer:
Sever21 [200]3 years ago
6 0

Answer: nonagon

Step-by-step explanation: quadrilaterals: a shape that has four sides

hexagon: a shape with 6 sides

pentagon: a shape with 5 sides

nonagon: a shape with 9 sides

So the answer is D

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Geometry proofs <br> Need help!!
Andrew [12]

Angles ∠MOK and ∠NOL are identical by opposite angle theorem.

∠M = ∠N through given information

∠MKO and ∠NLO are congruent. Since the other two angles of each triangle are equivalent, the last angle must be equivalent to the last angle of the other triangle. (180 - ∠1 -∠2 = ∠3); you could also prove ∠MKO  = ∠NLO by stating that the opposite sides of the two angles are congruent.

ΔMKO and ΔNLO by Angle-Angle-Side theorem

since ΔMKO and ΔNLO, all corresponding parts of both triangles are congruent, so therefore MO ≅ NO

8 0
4 years ago
Help asap Please show working​
kap26 [50]

Answer:

(a) -12

(b) 37

(c) -840

Step-by-step explanation:

We simply have to plug in the values for each expression.

2 + -3(3) - 5 = 2 + -9 - 5 = -7 - 5 = -12

5(2) - 4(-3) + 3(5) = 10 - -12 + 15 = 10 + 12 + 15 = 22 + 15 = 37

7(2^3)(-3)(5) = 7(8)(-15) = 56(-15) = -840

6 0
3 years ago
The first to anwser get pointsss
Andru [333]

Answer:

10234 is the answer, great question

4 0
4 years ago
Read 2 more answers
Calculeaza<br>2+(8-6)=<br>(9-7)+5=<br>10-(1+8)=<br>(3+7)-9=<br>(1+2+3)-5=<br>10-(2+3+4)=​
Alex787 [66]

Answer:

1. 2+(8-6)= 4

2+2=4

2. (9-7)+5= 7

2+5=7

3. 10-(1+8)= 1

10-9=1

4. (3+7)-9= 1

10-9=1

5. (1+2+3)-5= 1

6-5=1

6. 10-(2+3+4)=​ 1

10-9=1

6 0
3 years ago
On an architects plan for a house, the scale reads 1/2 in. = 5 ft. How long is the actual length of a room that's 2 in. Long on
Nady [450]
1/2:5

1:10

2:20

The actual length of the room is 20 feet.
6 0
3 years ago
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