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Juliette [100K]
3 years ago
10

For the law of cosines How am I supposed to know if I’m using SAS or SSS

Mathematics
1 answer:
seropon [69]3 years ago
4 0

Answer:

SSS congruency is when you know that the two triangle you want to compare's sides have the same length. Since they have the same length, they are congruent. SAS congruency stands for "side, angle, side" and means that we have two triangles where we know two sides and the included angle are equal.

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Solving a right triangle (round to the nearest tenth)
Inga [223]

Answer:

see explanation

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the given angles from 180 for A

A = 180° - (90 + 46)° = 180° - 136° = 44°

----------------------------------------------------------------

tan46° = \frac{opposite}{adjacent} = \frac{b}{23}

Multiply both sides by 23

23 × tan46° = b, thus

b ≈ 23.8 ( to the nearest tenth )

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cos46° = \frac{adjacent}{hypotenuse} = \frac{23}{c}

Multiply both sides by c

c × cos46° = 23 ( divide both sides by cos46° )

c = \frac{23}{cos46} ≈ 33.1 ( to the nearest tenth )

5 0
3 years ago
Your $440 gets 5.8% interest compounded annually for 8 years. What will your
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492.52

Step-by-step explanation:

The formula is P(t) = P(0) x (1+r/n)^nt so...

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3 0
3 years ago
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Greeley [361]

Answer:

12.3

Step-by-step explanation:

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cos 35 = y/ 15

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On Monday, 408 students went on a trip to the 200 All 7
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Answer:

57

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