Lesson Worksheet: Isosceles Triangles Mathematics
In this worksheet, we will practice using the properties of isosceles triangles to find a missing angle or side length and solve algebraic expressions or equations.
Q2:
Find .
Q3:
Find and .
- A,
- B,
- C,
- D,
Q4:
Triangle is isosceles, with . Determine the measures of and .
- A,
- B,
- C,
- D,
Q5:
Which pair of segments have the same length?
- A,
- B,
- C,
Q6:
Find the value of .
Q9:
In the figure, given that and , find .
- A
- B
- C
- D
- E
Q11:
Find the value of in the figure below.
Q12:
Given that and , find the measures of the angles of .
- A, ,
- B, ,
- C, ,
Q13:
In the following figure, find the value of .
Q14:
Find the values of and .
- A,
- B,
- C,
- D,
- E,
Q15:
Given that , find the value of .
- A
- B
- C
- D
Q17:
Find all possible values of .
- A or
- B or
- C or
- D or
- E or
Q18:
In the figure, determine all possible values of .
- A or
- B or
- C or
- D or
- E or
Q19:
In the figure below, given that , , and , determine .
Q20:
Find and .
- A,
- B,
- C,
- D,
Q21:
If has one line of symmetry, and , find .
Q22:
In an isosceles triangle , , , is perpendicular to and intersecting the segment at , and . Find the length of and .
- A60 cm,
- B30 cm,
- C30 cm,
- D60 cm,
Q24:
Is an isosceles triangle?
- ANo
- BYes
Q25:
Find .