3 years ago

In the coordinates of A are (-2,3) and the coordinates of B are (7,-1), find the length of AB

1 answer:

5 0

Answer:

√97

Step-by-step explanation:

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klemol [59]

Answer:

$3x=78+(x-2)$

Step-by-step explanation:

The complete question in the attached figure

we know that

The Triangle Exterior Angle Theorem states that: An exterior angle of a triangle is equal to the sum of the opposite interior angles.

In this problem

$3x=78+(x-2)$

solve for x

$3x=76+x\\3x-x=76\\2x=76\\x=38^o$

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3 years ago

yarga [219]

1 is the correct answer my guy

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3 years ago

DIA [1.3K]

Don’t open that link it’s takes all your information

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3 years ago

MatroZZZ [7]

My guess is 9 hours, because since pipe a takes 12 hours and with pipe b it takes 9, it's 12-9=3 I think.

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3 years ago

BartSMP [9]

Answer

Ex 3) - b

(-2, 19) (1,4)

Ex 4) -b

(1, 3) (3, 5)

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3 years ago