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kirill [66]
2 years ago
12

Determine if the triangles are congruent. If they are, state how you know.

Mathematics
2 answers:
hram777 [196]2 years ago
6 0

Answer:

1 - SSS

Step-by-step explanation:

We need either two sides one angle, two angles one side, or three sides to prove congruency. In this case we have 3 sides so therefore this is congruent by the SSS theorem.

vampirchik [111]2 years ago
3 0

Answer:

SSS

Step-by-step explanation:

They are congruent, you can tell by the 'tick marks'.

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What is the least common denominator (LCD) of 12 and 23?
leva [86]

Answer: none of those, 276...?

Step-by-step explanation:

You need to know the least common denominator (LCD) of 12 and 23 if you want to add or subtract two fractions with 12 and 23 as denominators.

The least common denominator, also called lowest common denominator (LCD), of 12 and 23 is 276.

Here is a math problem example where you need to know the LCD of 12 and 23 to solve:

3/12 + 2/23 = ?

Step 1) Take the LCD and divide each denominator by it as follows:

276/12 = 23

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Step 2) Multiply each nominator with the respective answers from Step 1:

3 x 23 = 69

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Step 3) Put it all together to solve the problem:

69/276 + 24/276 = 93/276

= 3/12 + 2/23 = 93/276

It's that easy! Once again, the lowest common denominator (LCD) of 12 and 23 is as follows:

276

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2 years ago
What is the approximate length of RP? Round to the nearest tenth.
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From the circle geometry theorem, a tangent to a circle makes 90° angles with the radius of the circle.
 
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by Pythagoras theorem

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