Worksheet: Angles

In this worksheet, we will practice identifying and naming angles and classifying them visually to acute, right, or obtuse compared to right angles.

Q1:

Count the acute angles in this picture.

Q2:

Determine the type of the angle highlighted in orange.

  • Aright angle
  • Bobtuse angle
  • Cacute angle

Q3:

Determine the type of the angle highlighted in orange.

  • Aright angle
  • Bacute angle
  • Cobtuse angle

Q4:

Determine the type of the angle highlighted in orange.

  • Aright angle
  • Bobtuse angle
  • Cacute angle

Q5:

How many obtuse angles are there in the figure?

Q6:

What kind of angle is in the figure?

  • Aright angle
  • Bacute angle
  • Cobtuse angle
  • Dstraight angle

Q7:

David got home at 8:00. If he wants to wait until the hands of the clock form a right angle before going out again, until what hour must he wait?

  • A1:00
  • B12:00
  • C11:00
  • D10:00
  • E9:00

Q8:

Elizabeth set her alarm at 4:20 am. When the alarm rang, she snoozed it for 10 minutes. Determine the type of angle that the two clock hands will form when the alarm rings a second time.

  • Aobtuse
  • Bacute
  • Cright

Q9:

Determine the type of angle that the two hands on a clock form when the time is 06:05.

  • Aright
  • Bacute
  • Cobtuse

Q10:

What kind of angle is in the figure?

  • Astraight angle
  • Bright angle
  • Cacute angle
  • Dobtuse angle

Q11:

What kind of angle is in the figure?

  • Aacute angle
  • Bstraight angle
  • Cright angle
  • Dobtuse angle

Q12:

Determine the type of angle that the two hands on a clock form when the time is 01:30.

  • Aright
  • Bacute
  • Cobtuse

Q13:

How many acute angles are there in the given quadrilateral?

Q14:

How many acute angles are there in the given quadrilateral?

Q15:

How many acute angles are there in the given quadrilateral?

Q16:

Which of the following combinations form an obtuse angle?

  • A 𝐴 β†’ 𝐢 β†’ 𝐷
  • B 𝐴 β†’ 𝐷 β†’ 𝐢
  • C 𝐷 β†’ 𝐡 β†’ 𝐢
  • D 𝐴 β†’ 𝐡 β†’ 𝐢

Q17:

Which of the following combinations form a right angle?

  • A 𝐴 β†’ 𝐷 β†’ 𝐢
  • B 𝐷 β†’ 𝐴 β†’ 𝐢
  • C 𝐷 β†’ 𝐡 β†’ 𝐢
  • D 𝐴 β†’ 𝐡 β†’ 𝐢

Q18:

Fill the blank: the number of acute angles in the figure is .

Q19:

Fill the blank: The number of right angles in the figure is .

Q20:

Fill the blank: The number of obtuse angles in the figure is .

Q21:

Which of these angles are acute angles?

  • Aangles 𝐴 and 𝐢
  • Bangles 𝐡 and 𝐷
  • Cangles 𝐴 and 𝐡
  • Dangles 𝐢 and 𝐷
  • Eangles 𝐴 and 𝐷

Q22:

Elizabeth’s watch reads 8:35. Her alarm will go off when the hands on her watch next form an obtuse angle and the minute hand points directly to a number. Determine when her alarm will go off.

  • A8:40
  • B8:55
  • C9:05
  • D9:00

Q23:

How many acute angles are there in the given quadrilateral?

Q24:

How many acute angles are there in the given quadrilateral?

Q25:

How many acute angles are there in the given quadrilateral?

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