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amid [387]
4 years ago
9

1. The formula for calculating the circumferenceof a circle is​

Mathematics
1 answer:
REY [17]4 years ago
8 0

Answer:

C = 2 x π x r

Step-by-step explanation:

π = pi 3.14

r = radius

C = circumference

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What is the value of p?
asambeis [7]

Answer:94°

Step-by-step explanation:

The sum of the interior angles of the polygon: 180°(n-2)

180°(5-2)=540°

The sum of the interior angles of the pentagon is 540°

So:

P+Q+R+S+T=540°

(4x+2)°+132°+(4x-10)°+(5x-11)°+128°=540°

4x+2+4x-10+5x-11+260=540

13x=299

x=23°

P=4x+2°=4×23°+2°=94°

7 0
3 years ago
Match the reasons with the statements in the proof if the last line of the proof would be 6. ∠1 and ∠7 are supplementary by defi
Alecsey [184]

Answer:

Given : s||t

Exterior sides in opposite rays : ∠5 and ∠7 are supplementary

Definition of supplementary angles : m∠5 + m∠7 = 180°

If lines are ||, corresponding angles are equal : m∠1 = m∠5

Substitution : m∠1 + m∠7 = 180°

4 0
4 years ago
Read 2 more answers
Help asap plsplspls!! :)
OlgaM077 [116]

Answer:

1.7

Step-by-step explanation:

1 + 7/10

= 1 + 0.7

= 1.7

6 0
3 years ago
Read 2 more answers
What is the area of triangle ABC?
kondor19780726 [428]

Answer: 7 square units

Step-by-step explanation:

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6 0
3 years ago
What is the rule for a line that has a slope of 2 and passes through ( 10,17 )
ella [17]

Answer:

Therefore the equation of the line has a slope 2 and passes through         ( 10 , 17 )  is

2x - y = 3

Step-by-step explanation:

Given:

Slope = 2 = m ( say )

Let,

point A( x₁ , y₁) ≡ ( 10 , 17 )

To Find:

Equation of Line AB =?

Solution:

Equation of a line passing through a points A( x₁ , y₁) and having slope m is given by the formula,

(y - y_{1} )=m\times(x-x_{1}) \\

Substituting the given values in a above equation we get

(y-17)=2\times (x-10)\\ \\(y-17)=2(x-10)\\\\y-17=2x-20\\2x-y=3\\2x-y=3...............\textrm{which is the required equation of the line AB}

Therefore the equation of the line has a slope 2 and passes through          ( 10 , 17 ) is

2x - y = 3

3 0
3 years ago
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