Answer:
IM PRETTY POSITIVE ITS B
PLS MARK BRAINLIEST
SORRY IF IM WRONG :P
Step-by-step explanation:
Answer: b. 180
Step-by-step explanation:
The sum of the angles of a triangle is 180°.
Answer:C
Step-by-step explanation:This is because c has subtract sign and you are trying to find the difference and difference you need to subtract.And you need to find the difference of 40 and 12 so u write 40- 12 which is choice c.
Hope it helps and it does please give Brainliest .Thanks ;)
Answer:
x=6
Step-by-step explanation:
5x^2-136=44
add 136 to both sides
5x^2=180
divide both sides by 5
x^2= 36
take square root of both sides
x=6