Mensuration

Curved surface area of cylinder is?

• 
  

  $\pi rl$
  

• $2\pi l$

• $2\pi rh$

• $2\pi rl$

Volume of cone

• $\frac{1}{3}\pi r^2h$

• $\pi r^2h$

• $\frac{1}{3}\pi rh$

• $\pi rh$

Total surface area of Cube is ?

• $2\left(l+b\right)h$

• $2\left(lb+bh+lh\right)$

• $lbh$

• $2lb+2bl+2bh$

Surface area of solid hemisphere

• 
  

  $4\pi r^2$
  

• $3\pi r^2$

• $2\pi r^2$

• $\pi r^2$

Surface area of Sphere ?

• 
  

  $4\pi r^2$
  

• $4\pi r^3$

• $2\pi r^2$

• $2\pi r$

Slant height of frustum?

Total surface area of frustum ?

• $\pi l\left(r1\ +\ r2\right)$

• $\pi l\left(r1+r2\right)\ +\ \pi r1^2\ +\ \pi r2^2$

• $\ \pi r1^2\ +\ \pi r2^2$

• $\pi l\left(r1-r2\right)\ +\ \pi r1^2\ +\ \pi r2^2$

Sector of Arc is .....

• $\frac{\theta}{360}\ \times\ \pi r^{ }$

• $\frac{\theta}{360}\ \times\ \pi r^2$

• $\frac{\theta}{360}\ \times\ \pi r^3$

• $\frac{\theta}{360}\ \times\ 2\pi r^{ }$

Length of Arc is........

• $\frac{\theta}{360}\ \times\ \pi r$

• $\frac{\theta}{360}\ \times\ \pi r^2$

• $\frac{\theta}{360}\ \times\ 2\pi r^{ }$

• $\frac{\theta}{360}\ \times2\ \pi$

Volume of Frustum is ??

• $\frac{1}{3}\pi h\left(r1+r2+r1\times r2\right)$

• $\frac{1}{3}\pi h\left(r1^2-r2^2+r1\times r2\right)$

• $\frac{1}{3}\pi h\left(r1^2+r2^2+r1\times r2\right)$

• $\frac{1}{3}\pi l\left(r1^2+r2^2+r1\times r2\right)$