Answer:
87.965
Step-by-step explanation:
surface area of a cylinder,
2πr²+2πrh (where r = radius, h = height)
given, h = 5, r = 2
so,
2πr²+2πrh
= 2π×2²+2π×2×5
= 8π+20π
= 28π
= 87.9645943..
= 87.965 (rounded to the nearest thousand)
It’s gonna be 9/10 or 0,9
Answer:
Two or more lines are parallel when they lie in the same plane and never intersect. ... Skew lines are lines that are in different planes and never intersect. The difference between parallel lines and skew lines is parallel lines lie in the same plane while skew lines lie in different planes.
Step-by-step explanation:
<em><u>hope </u></em><em><u>it </u></em><em><u>helps </u></em><em><u>^</u></em><em><u>^</u></em>
Answer:
See below
Step-by-step explanation:
I'm not going to provide answers, but the tips I'll provide to you will help answer all those questions:
Isosceles triangles have two congruent sides along with two congruent angles
Scalene triangles have no congruent sides nor any congruent angles (think "sca"rce for "sca"lene)
Equilateral triangles have all of their sides congruent to each other along with all of their angles congruent to each other (aka. equiangular angles), so think "equal".
Right triangles have one of their angles measure exactly 90 degrees. This is notated with a box/square shape for the angle (think exact for right).
Acute triangles have all of their angles measuring less than 90 degrees (known as acute angles), so think "cute" meaning "tiny".
Obtuse triangles have only one angle greater than 90 degrees (aka. obtuse angle), but the other two are acute, so think of that big O in obtuse.
I hope this helps you answer the questions, and good luck!
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