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- 1. Multiple Choice
a right angle measures...?
180 degrees
60 degrees
90 degrees
- 2. Multiple Choice
A line meeting another at a right angle, or 90° is said to be....
perpendicular
congruent
supplementary
- 3. Multiple Choice
what is an altitude??
a line which passes through a vertex of a triangle, and meets the opposite side at right angles.
two angles that add up to 180 degrees
the relationship between two lines which meet at a right angle
- 4. Multiple Choice
a triangle has how many altitudes??
2
3
1
- 5. Multiple Choice
what type of triangle is this....?
obtuse triangle
right triangle
acute triangle
isoscele triangle
- 6. Multiple Choice
what is a right triangle?
a triangle where one angle is a 90 degree angle
a triangle with one angler greater than 90 degrees and two acute angles
a triangle with three angles less than 90 degrees
- 7. Multiple Choice
which if - then statements belong to right angles?
if two sides of a triangle are congruent, then the angles opposite the sides are congruent
if angles are both sup and congruent, then they are right angles.
if two angles of a triangle are congruent, then the sides opposite the angles are congruent
if two angles are right angles, then they are congruent
- 8. Multiple Choice
what are two lines that meet or intersect at each other at right angles?
perpendicular line segment
midsegment
angle bisector
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