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Worksheet: Triangle Angle Sum Theorem
Q1:
Complete the following: The sum of sizes of the interior angles of a triangle is .
- A
- B
- C
- D
- E
Q2:
Complete the sentence: The size of a straight angle is the sum of the sizes of the interior angles of a triangle.
- A greater than
- B less than
- C equal to
Q3:
Can , , and be the angles of a triangle?
- Ano
- Byes
Q4:
Can , , and be the angles of a triangle?
- Ayes
- Bno
Q5:
In triangle , and . Find .
- A
- B
- C
- D
Q6:
In triangle , and . Find .
- A
- B
- C
- D
Q7:
Given that and , find .
- A
- B
- C
- D
Q8:
In , . Determine .
- A
- B
- C
- D
Q9:
Can a triangle have two right angles?
- A no
- B yes
Q10:
What is the sum of the sizes of the two acute angles in a right-angled triangle?
- A
- B
- C
- D
- E
Q12:
Calculate the value of .
- A111
- B60
- C69
- D51
Q13:
Calculate the value of .
- A93
- B39
- C87
- D54
Q14:
In triangle , we have and . What is ?
- A
- B
- C
- D
- E
Q15:
In triangle , and . What is ?
- A
- B
- C
- D
- E
Q16:
Given that and , find .
- A
- B
- C
- D
Q17:
Find .
- A
- B
- C
- D
Q18:
The given design is carved on a wooden board. If is a right angle, determine the values of , , and .
- A , ,
- B , ,
- C , ,
- D , ,
Q19:
The given design is carved on a wooden board. If is a right angle, determine the values of , , and .
- A , ,
- B , ,
- C , ,
- D , ,
Q20:
In the figure below, given that is a rectangle, determine .
- A
- B
- C
- D
Q21:
In the figure below, given that is a rectangle, determine .
- A
- B
- C
- D
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