Question

out
If each ease of
a cube is increased
by 50% the percentage
increases in the surface area is
o 50% ② 75%
6 100% ① 125%​

Answer 1

Answer:

125%

Step-by-step explanation:

let initially each side be 2cm

area of the cube 6 ×2 × 2 = 24

50% increase on side, so the length of side becomes = 3cm

area of the cube = 6 × 3 × 3 = 54

% increase = $\frac{30}{24}$ × 100%

5 × 25% = 125%