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3 years ago

Find the slope of a line that is PRRPENDICULAR to the line that goes between (3,-8) and (5,2).

Mathematics

1 answer:

LiRa [457]3 years ago

7 0

Answer:

-1/5

Step-by-step explanation:

Slope of the line = (y2-y1)/(x2-x1)

(2-(-8)/(5-3)

10/2 = 5

Perpendicular line = the slope is opposite of the reciprocal

-1/5

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If the measure of arc AD is 65 degrees and the measure of arc BC is 45 degrees, what is the measure of angle BEC?

krek1111 [17]

Answer:

$\angle BEC=55 \textdegree)$

Step-by-step explanation:

From the question we are told that:

Arc $AD =65 \textdegree$

Arc $BC =45 \textdegree$

Given The angle of intersecting chords theorem

Generally the equation for angle BEC is mathematically given by

$\angle BEC=\frac{1}{2} (\angle of arc AD+\angle of arc BC)$

$\angle BEC=\frac{1}{2} (65 \textdegree+45 \textdegree)$

$\angle BEC=55 \textdegree)$

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Step-by-step explanation:

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