Here's your answer, I hope you understand this. 30.9cm
Answer:what kind of math u doing
Step-by-step explanation:
Answer:
x = 28
(3x + 6^o) = 90^o
3x = 84^o
I think it's rounds at to 30
53
(6-6)+7×7+4
=0+7×7+4
=7×7+4
=49+4
=53
