Answer:
x = 35
General Formulas and Concepts:
<u>Pre-Algebra</u>
- Order of Operations: BPEMDAS
- Equality Properties
<u>Geometry</u>
- Definition of a Line: A line is 180°
Step-by-step explanation:
<u>Step 1: Set up equation</u>
40° + (2x + 30)° + 40° = 180°
<u>Step 2: Solve for </u><em><u>x</u></em>
- Combine like terms: 2x + 110 = 180
- Subtract 110 on both sides: 2x = 70
- Divide 2 on both sides: x = 35
Answer:
17
Step-by-step explanation:
Answer:
11
Step-by-step explanation:

Answer:
Lateral surface area of the cylinder =
Step-by-step explanation:
Lateral surface area of he cylinder =
i.e area of side surface.


Lateral surface area of the cylinder =

L.S.A= 
L.S.A= 
The lateral surface area of the cylinder with radius 8 cm and height 5 cm is 