Answer:
Step-by-step explanation:
We need to apply the following identity:
Then, applying this, you know that for :
We need to remember that:
and
Therefore, we need to substitute these values into .
Then, you get:
The answer would be 63 bc 46+71= 117 then a triangle usaually equals 180 so 180 -117=63!!
I think the answer is c due to the word bag being plural but I’m not sure.