Triangles
Rectangles
Parallelograms
Protractors
Knowledge
100
The angles in a triangle sum to?
180°
100
What do the angles in a rectangle sum to?
360°
100
What do the angles in a parallelogram sum to?
360°
100
What is the angle range for an acute angle?
1°-89°
100
How many cm is 60mm?
6 cm
200
Name the three triangles by side length?
Scalene, isosceles, equilateral
200
a four-sided shape has two angles that measure 80° and two that measure to 100°.
Is this a rectangle?
No.
The angles in a rectangle must be right (90°)
200
A four-side shape has two 70° angles, two 110° angles. Two sides that measure 8cm, one side that measures 4cm, and one side that measures 5cm.
Is this a parallelogram?
No because opposite sides are equal
200
What is the angle range of an obtuse angle?
91°-179°
200
130°
300
Name the three triangles by type of angles.
Acute, Right, Obtuse
300
If a rectangle has a side length of 8cm, what is the length of the side across from it?
8cm
300
The opposite sides in this shape are:
Equal
OR
Parallel
300
If I am looking at 50° on a protractor, what number would I also see in line with my angle.
130°
300
What does congruent mean?
Same exact size and shape.
400
A triangle has one angle that equals 75° and another angle that equals 55°. What is the sum of the missing angle.
50°
400
One rectangles sides measure 8cm and 3cm. Another rectangles sides equal 8cm and 2cm.
Are these rectangles congruent?
No.
400
What is unique about opposite angles in a parallelogram?
They are equal!
400
what is the degree of a straight line?
180°
400
Mr. B measured an acute angle. He said it measured to 165°. Is Mr.B correct?
No. His answer is describing an obtuse angle.
500
An isosceles triangle has an angle that measures 50°. What are the other two angles in this triangle?
50° and 80°
500
What is another name for a rectangle given both pairs of opposite sides are parallel.
A parallelogram.
500
What is unique about the two angles adjacent to one another in a parallelogram?
they sum to 180°
500
Where must the center point of the protractor go in order to correct measure an angle?
right on the vertex
500
What is wrong with this triangle?
Angles do not sum to 180°