Angles of a quadrilateral are in the ratio 3:4:5:8. The smallest angle is
54o
72o
36o
36o
If the ratio of the areas of two squares is 25:36, then the ratio of their perimeters is
5:6
25:36
6:5
6:5
If the volume of a sphere is divided by its surface area, we obtain 27 cm. The radius of the sphere is
9 cm.
81 cm.
27 cm.
27 cm.
Diagonals of a rhombus are 1 meter and 1.5 meter in lengths. The area of the rhombus is
0.75 m2
0.45 m2
0.78 m2
0.78 m2
A.
0.75 m2