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Nata [24]
3 years ago
5

Pls help! three arithmetic sequences are given below.

Mathematics
1 answer:
katrin [286]3 years ago
8 0

The common difference is basically the number at which the pattern increases.

A's common difference: 2

B's common difference: 9

C's common difference: 5

answer: A, C, B

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In triangle PQR, Line QS and line SR are angle bisectors to angle P (74 degrees). How many Degrees are in the angle QSR.
AlexFokin [52]

we know that

<u>in the triangle PQR</u>

m∠PQR+m∠QPR+m∠QRP=180°------> the sum of the internal angles of a triangle is equal to 180 degrees

(m∠PQR+m∠QRP)+74°=180°-------> (m∠PQR+m∠QRP)=106°

we know that

If QS and SR are angle bisectors

then

<u>In the triangle QSR</u>

m∠SQR+m∠QSR+m∠QRS=180°-------> equation 1

and

(m∠SQR+m∠QRS)=106°/2--------> (m∠SQR+m∠QRS)=53°

substitute the value of (m∠SQR+m∠QRS)=53° in the equation 1

53°+m∠QSR=180°

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therefore

<u>the answer is</u>

The measure of angle QSR is  27 degrees

4 0
3 years ago
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