Worksheet: Special Right Triangles
In this worksheet, we will practice finding lengths in 30-60-90-degree and in 45-45-90-degree triangles without trigonometry.
Q6:
Consider triangle .
Find, in the form 1 : , the ratio of the side lengths : .
- A1 : 2
- B1 :
- C1 : 3
- D1 : 1
- E1 :
Find, in the form 1 : , the ratio of the side lengths : .
- A1 : 1
- B1 : 2
- C1 : 3
- D1 :
- E1 :
Q8:
Given that , and is a median in , find the perimeter of .
Q9:
Find the lengths of and .
- A,
- B,
- C,
- D,
Q10:
Given a right-angled triangle in which angle measures , which of the following is equal to the length of the side opposite to angle ?
- Athe length of the hypotenuse
- Bone-third the length of the hypotenuse
- Chalf the length of the side opposite to the angle measuring
- Dhalf the length of the hypotenuse
Q13:
Given that is a rectangle, find the length of .
Q14:
If the perimeter of a rhombus is 88 cm, and the measure of one of its angles is , find its area approximated to the nearest integer.
Q16:
Use the information in the figure to determine the area of the square.
