Mensuration

The side of a cube whose surface area is 600 cm² is____

• 10 cm
• 10 cm²
• 60 cm
• 6 cm

Tags

CCSS.K.G.A.3

CCSS.K.G.B.4

CCSS.K.MD.A.1

The area of a rhombus whose diagonals are 9 cm and 7 cm is ______

• 16 cm²
• 63 cm²
• 63 cm²
• 16 cm²

If the base of the triangle is doubled and height is halved, its area will be _____

• Doubled
• Halved
• one-fourth
• Same

Tags

CCSS.K.MD.A.1

Two cubes with 9 cm edge are joined end to end. Find the length of the newly formed solid.

• 18 cm
• 9 cm
• 27 cm
• None of the above

Tags

CCSS.K.MD.A.1

CCSS.K.OA.A.1

CCSS.K.OA.A.2

If two solid hemisphere of same base radius r units are joined together along the their bases then curved surface area of this new solid is

• 14πr2

• 6πr2

• 3πr2

• 8πr3

A solid sphere of radius x cm is melted and cast into a shape of a solid cone of same radius height of the cone is

• 3x

• X

• 4x

• 2x

Choose the correct answer to find the area of a circle

• $\pi r^2$

• $2\pi r^2$

• $2\pi r$

The formula to find the curved surface area of a right circular cylinder =

• $\pi r^2$

• $\pi r^2h$

• $2\pi rh$

• $2\pi r\left(h+r\right)$

The formula to find the volume of a right circular cylinder =

• $\pi r^2$

• $\pi r^2h$

• $2\pi rh$

• $2\pi r\left(h+r\right)$

The formula to find the volume of a hemisphere =

•  $2\pi r^2$ 

•  $4\pi r^2$  

•  $\frac{4}{3}\pi r^3$  

•  $\frac{2}{3}\pi r^3$