Answer:
80cm3
Step-by-step explanation:
The third angle is 180-55-65 = 60°.
Exterior angles are 180-55 = 125°, 135°, 120°
Answer:
Volume of a cube = side times side times side. Since each side of a square is the same, it can simply be the length of one side cubed. If a square has one side of 4 inches, the volume would be 4 inches times 4 inches times 4 inches, or 64 cubic inches.
Step-by-step explanation:
You have a 30-60-90 triangle
In this triangle the hypotenuse is 2x and the smaller leg is x√3
in our case, x=5 and your side is 5√3
