Yes, every right triangle has two complementary angles.
This is because you know that the interior angles of a triangle have to add up to 180 degrees.
A right angle is 90 degrees, so the remaining two angles have to add up to (180-90) degrees, or 90 degrees.
Two angles whose sum is 90 degrees are complementary.
Answer:
a
Step-by-step explanation:
As from the question,
x = 60°
πd = 12π
Using the Arc Length formula,
x/360° × πd
= 60°/360° × 12π
= 2π
Ans: B
Formula for the surface area of a cylinder: 2 x pi x r^2 + 2 x pi x r x h
Radius (r) = 3
Height (h) = 3
2 x pi x 3^2 + 2 x pi x 3 x 3
2 x pi x 9 + 2 x pi x 9
18pi + 18pi
36pi = 113.1 cm^2
Hope this helps!
Answer:
Option B
The solution in the attached figure
Step-by-step explanation:
we have
<em>Inequality A</em>
we know that
The solution of the inequality A is the shaded area above the dashed line
The equation of the dashed line is 
The slope of the dashed line is negative 
<em>Inequality B</em>
we know that
The solution of the inequality B is the shaded area above the dashed line
The equation of the dashed line is 
The slope of the dashed line is positive 
therefore
The solution in the attached figure