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Anarel [89]
4 years ago
9

Find the arc that is congruent to arc BF.

Mathematics
1 answer:
stellarik [79]4 years ago
4 0
Answer: choice 2) arc CDE

==================================================

There's a lot going on in this diagram. It might help to use a highlighter or a different pen to mark only what we care about. I marked arc BF in red. The corresponding central angle that goes with arc BF is marked in blue. This is angle BAF. Point A is the center of the circle, so angle BAF is a central angle. We don't know the measure of angle BAF, but we know that it is congruent to angle CAE (marked in green). Why? Because they are vertical angles. Vertical angles are always congruent.

Angle CAE is the central angle that cuts off arc CDE (marked in purple), so we can form this chain of equations:

arc BF = angle BAF
angle BAF = angle CAE
angle CAE = arc CDE

which in short shows
arc BF = arc CDE

note: when I say "arc BF", I mean "minor arc BF" which is the shortest route from B to F. So we go from B to F without going through any other point on the circle. 

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Make a list of all the different sums that can appear on two six sided dice?
kenny6666 [7]

answer: Rolling Two Dice. Note that there are 36 possibilities for (a,b). This total number of possibilities can be obtained from the multiplication principle: there are 6 possibilities for a, and for each outcome for a, there are 6 possibilities for b. So, the total number of joint outcomes (a,b) is 6 times 6 which is 36.

Step-by-step explanation: hopefully this is right

7 0
3 years ago
Caroline has 16 marbles 1\8 of them are blue how many of Caroline's marbles are blue
seropon [69]
2 of them is blue because since there is 16 marbles you multiply 1/8 by 2 and 2/16 so 2 marbles are blue 
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3 years ago
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How do you write 7/10 as a percentage? ​
Hunter-Best [27]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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Jill has a poster hanging in her room whose width is 212 in. shorter than its length. The perimeter of the poster is 103 in. How
zhuklara [117]
The poster is a rectangle. 
P = 2 L + 2 W
where L is the length and W is the width of a rectangle.
L = W + 2 1/2 = W + 2.5
103 = 2 ( W + 2.5 ) + 2 W
103 = 2 W + 5 + 2 W
103 = 4 W + 5
4 W = 103 - 5
4 W = 98
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W = 24.5 in
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The poster is 27 inches long and 24.5 inches wide.
4 0
3 years ago
Which function is equal to -1/2?​
den301095 [7]
A is equal to -1/2

B is equal to .866

C is equal to 1/2

D is equal to -.866

Therefore your correct answer is c
3 0
3 years ago
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