Geometric Construction

What type of construction do you see?

• midpoint
• angle bisector
• perpendicular bisector
• altitude

Which one is the correct construction for a perpendicular bisector?

• 1
• 2
• 3
• 4

What does the word BISECT mean?

• To cut something into more than five pieces.
• It is a plane with two sets of wings.
• A shape that has three sides. 
• To cut something into two congruent pieces or in half.

What is this?

• Compass
• Circle creator
• Pencil swingy-thing
• Arc maker

AB = 8   BC = 10  AC = ?

• 18
• 19
• 17
• 20

What is the measure of angle C?

• 26⁰
• 25⁰
• 68⁰
• 180⁰

List the steps of the perpendicular bisector construction in order from 1 to 4.

a

b

c

d

2

4

1

3

Which is a compass?

• 
• 
• 
• 

Select all choices which could be the measure of the sides of a triangle.

• 3in, 5in, 12in

• 8ft, 7ft, 1ft

• 15m, 32m, 18m

• 5in, 9in, 6in

• 12km, 6km, ,12km

Select all choices which could be the measure of the sides of a triangle.

• 3in, 5in, 12in

• 8ft, 7ft, 1ft

• 15m, 32m, 18m

• 5in, 9in, 6in

• 12km, 6km, ,12km