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Acute, right, obtuse and straight, and telling them apart.

Grade 410 questions
1

What is an angle of exactly 90 degrees called?

A right angleAn acute angleAn obtuse angleA straight angle
2

An angle of 30 degrees is which kind?

AcuteObtuseRightStraight
3

An angle of 120 degrees is which kind?

ObtuseAcuteRightStraight
4

An angle of 180 degrees looks like …

a straight linea square cornera small wedgea full circle
5

An acute angle is smaller than a right angle.

TrueFalse
6

Which is the smallest kind of angle?

AcuteRightObtuseStraight
7

How many degrees are in two right angles?

8

The corner of a page is which kind of angle?

RightAcuteObtuseStraight
9

An obtuse angle is bigger than 90 degrees.

TrueFalse
10

Which of these could be an acute angle?

89 degrees90 degrees91 degrees180 degrees
0 of 10 answered