3 years ago

-3x + 3y = 9 2x - 7y = -14

1 answer:

7 0

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LenKa [72]

Answer:

I'm not sure what you want me to answer from this, so I solved for every variable:

Angle A: 83°

Side b: 6.29

Side c: 5.8

Step-by-step explanation:

-----Angle A:

Since the sum of the interior angles of a triangle ALWAYS equal 180°, we can solve for angle A as follows:

$A+51+46=180\\A+97=180\\A=83$

-----Side b:

Here, we use the sin rule for finding sides, since we know all of the angles as well as one side:

$\frac{a}{sin(A)} =\frac{b}{sin(B)} \\\frac{8}{sin(83)} =\frac{b}{sin(51)} \\8.06=\frac{b}{0.78} \\6.29=b$

-----Side c:

$\frac{a}{sin(A)} =\frac{c}{sin(C)} \\\frac{8}{sin(83)}=\frac{c}{sin(46)} \\8.06=\frac{c}{0.72} \\5.8=c$

7 0

2 years ago

FromTheMoon [43]

The shape would be a triangle

5 0

3 years ago

defon

20.7123152 thats the answer i looked it up

5 0

4 years ago

SVETLANKA909090 [29]

Yes that’s correct i did this before

3 0

3 years ago

sergiy2304 [10]

I think the answer is 17.5 years

6 0

3 years ago