Supp. of angle= 180-x
comp. of angle= 90-x
180-x= 40+2(90-x)
180-x=40+180-2x
180-x=220-2x
-40-x=-2x
-40=-x
x=40
180-40=140
unknown angle= 140°
Answer:
A. 23 cm3
Step-by-step explanation:
V= mass ÷ density
12 g/cm3 is the density
276g is the mass.
So, 276 ÷ 12
= 23 cm3
Answer:
Give diagram please?.
Step-by-step explanation:
???
I need a diagram to answer. Or at least the answer choices.
It’s a bit blurry lol I would tho if I could read it!