Question

Zeda described four triangles as shown below:

Triangle P: Two angles measure 50°.
Triangle Q: All sides have length 13 cm.
Triangle R: Two sides have length 3 cm, and the included angle measures 60°.
Triangle S: Base has length 5 cm, and base angles measure 30°.

Which triangle is not a unique triangle?

Answer 1

@fallenangelorchid @familyguymath @Math2400 @Secret-Ninja

Answer 2

Some One Help Please.

Answer 3

Is there a triangle in the list that has two sides and the non-included angle between those sides given in the list of options?

Answer 4

@firedupme

Answer 5

What might you think lad?

Answer 6

@Directrix angle Q?

Answer 7

It gives measurement but no angle so thats it?

Answer 8

Triangle Q: All sides have length 13 cm.

No mention of angles here.

Answer 9

So im correct arent i ?

Answer 10

To create a unique triangle you need to know 2 measurements of the sides and the angle between them

Answer 11

No.

Here is an example of a triangle with 2 sides and the non-included angle given.

Answer 12

Ok then im lost....

Answer 13

Draw and label the sides and angles of your given options.

Answer 14

Angle P mentions no sides....

Answer 15

>>Angle P mentions no sides....

You mean Triangle P, right. There is a difference.

Answer 16

Yes. Triangle P.

Answer 17

Click on the blue DRAW button and sketch the two triangles R and S.

Answer 18

I can not becuase i dont have a tool to measure angles.

Answer 19

The only ones i can think are Q and P

Answer 20

So....

Answer 21

You don't need a tool to measure angles.

Answer 22

Hi @Marki

Answer 23

I'll draw this one to show you.

Triangle R: Two sides have length 3 cm, and the included angle measures 60°.

Answer 24

60 is the included angle.