ANSWER: x = 130°
EXPLANATION: You must add given angles and then subtract from 180°.
Answer:

Step-by-step explanation:
To find x, the following equation is generated given the available information:



Cross multiply


Collect like terms



Answer:
no
Step-by-step explanation:
the sides do not have the same measurments which is required of the SSS postulate
Answer:
yes
Step-by-step explanation: