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3 years ago

Perpendicular Bisectors I'm confused on what to do here

Mathematics

1 answer:

Paha777 [63]3 years ago

8 0

bi(two)...sector(section). Bisector cuts the segment into two equal sections.

BC = CD definition of perpendicular bisector

BC + CD = BD segment addition postulate

CD + CD = BD substitution

2CD = BD added like terms

2CD = 16 substitution

CD = 8 division property of equality

CD = y + 3 given per graph

y + 3 = 8 transitive property

y = 5 subtraction property

Answer: 5

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If the measure of an angle is 78 less than the measure of its compliment, what is the measure of the angle?

aliina [53]

Complementary angles add up to 90'
So let X= angle 1
Y=angle 2
So x+y=90
let x=y-78
so(y-78)+y=90
y-78+y=90
2y-78=90
2y=90+78
2y=168
y=168/2
y=84
x=y-78
so x=84-78
x=6
And 6+84=90
So the measure of the angle is 6 degrees.
Hope i helped!

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Answer:

Step-by-step explanation:

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The boxes from left to right are

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Answer:

See explanations for step by step procedure to answer

Step-by-step explanation:

Given that;

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See attached documents for clearity, further explanations and answer

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