7th grade Geometry Vocab

Front

Red part of the triangular prism is a...

Back

face

Answer explanation

Face = Flat side

Front

Calculate the cardboard needed for a triangular prism box by finding the...

Back

surface area

Answer explanation

Surface area is the total space that covers the outside of a 3-D figure.

Front

Top point of a pyramid is called a ...

Back

vertex

Front

Sand needed to fill a pyramid:

Back

volume

Answer explanation

Volume is the amount of space that fills a 3-D figure.

Front

Each angle in this triangle is...

Back

acute

Answer explanation

Acute angle are less than 90 degrees.

Front

The ___________ of the red triangle is 34 cm.

Back

perimeter

Answer explanation

Perimeter is the total distance around a 2-D figure.

Front

Area of triangle?

Back

48 sq cm

Answer explanation

For a triangle, A = 1/2bh.

Front

Folding paper to make a box, each fold line is called a...

Back

edge

Front

These two angles are _____________ angles.

Back

complementary

Answer explanation

The angles put together form one right angle, but not a pair of right angles.

They are complementary because put together they add up to 90 degrees.

Front

These two angles are not...

Back

adjacent

Answer explanation

Adjacent angles are Attached.