Adora has a photo of the Calgary tower that measures 7cm by 19cm. She scans the photo and enlarges it by 160%. By what percentage will the area of the photo increase?
A.) 160%
B.) 320%
C.) 410%
D.) 256%
A shop sells a small globe that hangs on a keychain, a medium globe used as a paperweights and a large globe for use in the classroom. The volume of the medium globe is six times the volume of the small globe and the volume of the large globe is nine times the volume of the small globe. Determine the scale factor relating the dimensions of the small and medium globes.
A.) k=6^3
B.) k=root 6
C.) k=6
D.) k=^3root6
A gift shop in Cairo sells a tiny pyramid pendant. Due to its popularity,the shop decided to make two larger, yet similar versions: medium(double the volume of the tiny one) and large(triple the volume of the tiny one). What is the factor relating the surface area of the tiny pyramid to the surface area of the medium pyramid? (the pyramids dimensions are 1 cm by 1 cm by 1 cm).
A.) 4
B.) ^3root4
C.) ^6root2
D.) 8
0 answers