Review Fourth Grade

A triangle is:

• A shape with four sides.

• A shape with three sides.

• A cube

• A circle

Find the PERIMETER of this figure.

• 25 cm
• 20 cm
• 10 cm
• 20 sq. cm

What is the missing measurement? 

• 9 cm
• 18 in
• 18 cm
• 9 in 

^{What is the perimeter?}

• 60 in
• 34 cm
• 60 cm
• 34 in

^{_{What is the perimeter?}}

• 39 in
• 24 in
• 105 in 

What type of polygon is this?

• irregular

• regular

What type of polygon is this?

• irregular

• regular

What type of polygon is this?

• regular

• irregular

What type of polygon is this?

• regular

• irregular

How many sides does a nonagon have?

• 8

• 9

• 6

• 5