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Mathematics 13 Online
OpenStudy (anonymous):

Triangle ABC is similar to triangle PQR:

OpenStudy (anonymous):

i know that there is more to that question

OpenStudy (anonymous):

Sorry, lol

OpenStudy (anonymous):

@FriedRice

OpenStudy (anonymous):

@i0iz0gangster can you help?

OpenStudy (vishweshshrimali5):

What do you think should be the answer ?

OpenStudy (anonymous):

I think C

OpenStudy (vishweshshrimali5):

WHy ?

OpenStudy (anonymous):

But im not the best as this ;/

OpenStudy (vishweshshrimali5):

The option B is actually not clear. Can you tell me what's in the option ?

OpenStudy (anonymous):

look at the angle markings

OpenStudy (anonymous):

Ah, i have no idea :/ I was looking at A also cause the symbols are in the same area

OpenStudy (vishweshshrimali5):

Actually, B is not correct. As, @FriedRice , with the help of angle marking , you can say that which angles are equal

OpenStudy (vishweshshrimali5):

See: in first triangle angle C has 2 lines marked on it and similarly, in second triangle, angle R has 2 lines marked on it. So, <C = <R

OpenStudy (vishweshshrimali5):

Can you tell me which other pair of angles is equal ?

OpenStudy (anonymous):

B & P? @vishweshshrimali5

OpenStudy (anonymous):

Yay! :)

OpenStudy (vishweshshrimali5):

No no see that angle B has 1 line and angle P has no line .

OpenStudy (anonymous):

ohhhh

OpenStudy (vishweshshrimali5):

Its okay

OpenStudy (anonymous):

ah I suck at this :/

OpenStudy (vishweshshrimali5):

Its no problem.

OpenStudy (vishweshshrimali5):

Now, tell me what is the sum of all angles of a triangle ?

OpenStudy (anonymous):

90?

OpenStudy (vishweshshrimali5):

No its 180

OpenStudy (anonymous):

that was my second choice lol

OpenStudy (vishweshshrimali5):

:D Okay, now I am not going to prove this but remember that when two angles of 2 triangles are equal then the third angle will also be equal.

OpenStudy (vishweshshrimali5):

Thus, <A = <P

OpenStudy (anonymous):

Ohhhh

OpenStudy (anonymous):

So C?

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