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Rina8888 [55]
3 years ago
14

!!!!!!!!!PLZ HELP!!!!!!!!!

Mathematics
1 answer:
aivan3 [116]3 years ago
7 0
A decagon has 10 sides therefore it has 10 interior angles
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2. Which of the following is not an example of
Mariulka [41]

Answer:

B. 200

Step-by-step explanation:

A perfect square is the multiplication of two equal integers such as 1*1=1, 2*2=4, 3*3=9. From the examples, 1, 4, 9 are perfect square.

Non perfect square numbers are 1*2=2,

3*1=3,

5*1=5,

3*2=6,

6*1=6,

7*1=7

Examples of perfect squares:

1*1=1

2*2=4,

3*3=9,

4*4= 16,

5*5=25,

6*6=36,

7*7=49,

8*8=64,

9*9=81,

10*10=100,

11*11=121,

12*12=144,

13*13=169,

14*14=196,

15*15=225 and so on

8 0
3 years ago
What is b in terms of a and c?
aev [14]

Answer:

b=\sqrt{c^2-a^2}

Step-by-step explanation:

The given relation is

c=\sqrt{a^2+b^2}

To make b the subject, we square both sides of the equation to get;

c^2=(\sqrt{a^2+b^2})^2

c^2=a^2+b^2

Isolate b on one side of the equation;

c^2-a^2=b^2

Or

b^2=c^2-a^2

We take the positive square root of both sides to get;

b=\sqrt{c^2-a^2}

6 0
3 years ago
HELPPPPPPPP PLZZZZZ<br> i will mark you brainliest if your answer is correct
Usimov [2.4K]
In order:
angle 3
definition of an angle bisector
angle 1
transitive property of congruence
5 0
3 years ago
How many solutions does 3x = 2x + 4 have
Sloan [31]

Answer:

One Solution: x = 4

Step-by-step explanation:

Step 1:

3x = 2x + 4            Equation

Step 2:

3x - 2x = 4        Subtract 2x on both sides

Answer:

x = 4

Hope This Helps :)

6 0
2 years ago
What are the prime factors of 28?
koban [17]

Answer:

2 and 7 are the prime numbers.

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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