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zepelin [54]
3 years ago
8

Does anyone know what the formula for the area of a circle is?

Mathematics
2 answers:
Sloan [31]3 years ago
8 0

Answer:

search up-area of circle formula and circumference of a circle formula

Step-by-step explanation:

eduard3 years ago
4 0

Answer:

area formula: πr²

circumference formula 2πr

Step-by-step explanation:

area is pi times the radius of the circle squared

circumference is two times pi times the radius of the circle

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ASAP please help please!!!
WITCHER [35]

Here, ∠1 and ∠2 are complementary angles which means they together are forming a right angle or we can also say that their sum is 90°.So, According to this:

\sf∠1 + ∠2 = 90

  • ∠1 = x-8
  • ∠2 = 6x

\sf \: x - 8 + 6x = 90

\sf \: 7x - 8 = 90

\sf \: 7x = 90 + 8

\sf \: 7x = 98

\sf \: x = 14

<h3>Now, </h3>

  • \tt∠1 = x - 8 \\  \tt = 14 - 8 \\  \tt = 6
  • \tt \: ∠2 = 6x \\  \tt = 6 \times 14 \\  \tt = 84

<em>Thus, The measure of m∠1 is 6° and measure of m∠2 is 84°...~</em>

7 0
2 years ago
How do you factorise 14x -21xy
alexandr402 [8]
<span>Simplifying 14x + -21xy
 
Factor out the Greatest Common Factor (GCF), '7x'. 7x(2 + -3y)

Final result:
7x(2 + -3y)
 
that is the answer on how to do it</span>
4 0
3 years ago
Read 2 more answers
The sum of a number times 3 and 18 is at most -15.
Gala2k [10]

Answer:

x=<-11

Step-by-step explanation:

3x+18=<-15

3x=<-33

x=<-11

8 0
3 years ago
Read 2 more answers
Evaluate 3a-2b when a =-4 and b=-1
TEA [102]
Just plug in answers... its -12--2 which becomes -12+2 and you get
10
Hope this helps you!!!
7 0
3 years ago
Question 1
zaharov [31]

1) Because \angle ACB is a central angle, m\angle ACB=72^{\circ}.

Since \angle ACB and \angle BCD are supplementary, they form a linear pair, and thus m\angle BCD=180^{\circ}-72^{\circ}=\boxed{108^{\circ}}

5) Tangents drawn from an external common point are congruent, so CR=CP=8 and RB=BQ=4. This means that QA=11, and so PA=11 as well. Adding CP+PA, we get AC=19.

6) By the inscribed angle theorem, angle QPR measures 36 degrees.

5 0
2 years ago
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