Answer:
Option A. 
Step-by-step explanation:
we know that
The volume of the cylinder is equal
where
r is the radius of the base of cylinder
h is the height of the cylinder
we have
substitute
It looks like an equilateral triangle if I am correct then angle C equals 60 degrees
Answer:
78mm^2
Step-by-step explanation:
based on the information given, we can tell that the shape of the MP3 player is a rectangle. The formula for the surface area of a rectangle is SA=2WL+2LH+2HW
SA = Surface Area
W = Width
L = Length
H = Height
SA = 2(4)(7) + 2(7)(1) + 2(1)(4)
= 2(28) + 2(7) + 2(4)
= 56 + 14 + 8
= 78
Answer:
Step-by-step explanation:
11 a).
20x + 5 + 24x - 1 = 180
44x = 176
x = 176 / 44
x = 4
b). 6x = 5x + 10
x = 10
Answer:
A = 11 i believe
Step-by-step explanation:
