# 8.10.5. Classification of Triangles According to Their Angles

In , is a median, cm, cm, and cm. Determine the type of the according to the measures of its angles.

- Aobtuse
- Bacute

Given that cm and cm, determine the type of the according to the measures of its angles.

- Aright-angled triangle
- Bacute-angled triangle
- Cobtuse-angled triangle

In , cm, cm, and cm. Determine the type of that triangle according to its angles.

- Aright triangle
- Bacute triangle
- Cobtuse triangle

In the figure below, is a quadrilateral in which cm, cm, cm, and cm. What is the type of according to the measures of its angles?

- Aacute-angled
- Bobtuse-angled
- Cright-angled

is a triangle in which , , then .

Show SolutionGiven that is an obtuse-angled triangle at , where cm and cm, which of the below can be the length of .

- Acm
- Bcm
- Ccm
- Dcm

Given that is an obtuse-angled triangle at , where cm and cm, then can equal cm.

- A27
- B42
- C54
- D35

If is an acute-angled triangle, in which cm and cm, which of the below is a possible length of ?

- Acm
- Bcm
- Ccm
- Dcm

Given that a triangle has side lengths of cm, cm, and cm, find its area approximated the nearest hundredth, if needed.

- A
- B
- C
- D

Given that is a rhombus in which cm and cm, what is the type of according to its angles?

- Aan acute triangle
- Ba right-angled triangle
- Can obtuse triangle