3 years ago

Are the lines in the diagram perpendicular, parallel, skew, or none of these?

2 answers:

5 0

<span>Are the lines in the diagram perpendicular, parallel, skew, or none of these?

l and m: neither
l and m intersect, but are not perpendicular.

l and n: skew
l and n are not parallel, but they do not intersect because they are not on the same plane.

m and n: perpendicular.
m and n intersect at a right angle</span>

MissTica3 years ago

4 0

1. None Of These

2. Skew

3. Perpendicular

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3 years ago

If CF = 5, CD = 12, and EF = 5, what is the perimeter of triangle CDE?

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Answer:

The perimeter of triangle CDE is 34.

Step-by-step explanation:

To find the perimeter of a triangle, you have to add all the sides together, since this looks like a isosceles triangle, you would make side ED also 12 and then just add them all together.

12+12+5+5= 34.