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Andrew [12]
3 years ago
8

What is the area of a circle ​

Mathematics
2 answers:
babymother [125]3 years ago
8 0

Answer:

Step-by-step explanation:

hello :

A=πr²

aleksley [76]3 years ago
7 0

Answer:

πr²

Step-by-step explanation:

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What is an angle that is supplementary KFA?
cestrela7 [59]

Given:

A diagram.

To find:

An angle that is supplementary to ∠KFA.

Solution:

Supplementary angle: Two angles are called supplementary angles if they are lie on the same side of a straight line and their sum is 180 degrees.

From the given diagram, it is clear that ∠KFA lies on the intersection of lines HL and IK.

∠KFA and ∠DFA lie on the same side of a straight line IK.

∠KFA and ∠KFL lie on the same side of a straight line HL.

So, ∠DFA and ∠KFL are the angles supplementary to ∠KFA.

We need only one supplementary angle. So, we write either ∠DFA or ∠KFL.

Therefore, an angle that is supplementary to ∠KFA is ∠KFL.

6 0
3 years ago
Please help me with this question
Tanya [424]
Your answer would be -16.
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vitfil [10]
2 feet of the board remain
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You earn a score of 86.8 on a standardized exam. Your score is 140% higher than your friend's score on the standardized exam. Wh
Kobotan [32]

Answer:

Your friend scored 62

Step-by-step explanation:

Let your friend's score = x

140/100 * x = 86.8      Starting statement

1.4x = 86.8                  % has been changed to a decimal

1.4x = 86.8/1.4             Divide by 1.4

x = 86.8/1.4

x = 62                          Answer

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13.If triangle ABC IS CONGRUENT TO TRIANGLE ADC , which is true by CPCTC?
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I think it would be abdce?
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