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tiny-mole [99]
3 years ago
14

PLEASE HELP, I’ve been stuck on this question for the longest and no know it’s simple but my brains off so :/

Mathematics
1 answer:
Vanyuwa [196]3 years ago
4 0
If BD is bisector of <ABC
then
AD = CD and AB = AC
so
5x - y = x + 13y
simplify
4x = 14y
and
2x + y = 14 +y

2x + y = 14 +y
 2x = 14
     x = 7


substitute x = 7 into 4x = 14y

4x = 14y
4(7) = 14y
28 = 14y
  y = 2

answer
y = 2
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M is the incenter of triangle ABC. Find the lengths of MD and DC. (Look at pic)
Deffense [45]

Answer:

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Part 2) DC=12\ units

Step-by-step explanation:

Step 1

Find the length of MD

we know that

The incenter is the intersection of the angle bisectors of the three vertices of the triangle. Is the point forming the origin of a circle inscribed inside the triangle

so

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MD=ME=MF ------> is the radius of a circle inscribed inside the triangle

we have that

MF=9\ units

therefore

ME=9\ units

MD=9\ units

Step 2

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we know that

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Applying the Pythagoras theorem

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we have

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6 0
4 years ago
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garik1379 [7]

Answer:

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     its image will be (x , -y)

∵ B' = (-8 , 2)

∴ B = (-8 , -2) ⇒ the second answer

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3 years ago
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