Answer:
c
Step-by-step explanation:
Answer:
Obtuse
Step-by-step explanation:
a^2 + b^2 = c^2
10^2 + 11^2 = 16^2
100 + 121 = 256
221 = 256
221 < 256
4 out of 10 (or 4/10) is written as .4 as a decimal. This is because when you divide 4 by 10, you get .4
Answer:
It's not a polygon
Step-by-step explanation:
Polygons are always 2D. This shape is 3D. Everything else is fine.
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Solution
cos (90-60)=cos (x+10)
⇒30=x+10
x=30-10
x=20.
