Illustrative Mathematics Geometry

List the following coordinates for each point on the coordinate plane.

Is this a right angle ?

• No

• Yes

What is a line segment ?

• It has a starting point and a ending point.

• It has a starting point and does not have a ending point.

How much does a right angle measures ?

• 88 degree

• 180 degree

• 90 degree

• 0 degree

Is this obtuse angle.

• Yes

• No

Is this acute angle ?

• Yes

• No

Is this obtuse angle ?

• Yes

• No

How much does a obtuse angle measure?

• 90 degree to 180 degree

• 180 degree to 0 degree

• 0 degree to 180 degree

• 20 degree to 40 degree

A triangle has an area of 7⅞ cm² and a base of 5¼ cm. What is the height?

• 35/8 cm

• 6 cm

• 3 cm

• 2½ cm

• 410 cm³
• 420 cm³
• 402 cm³
• 401 cm³