# Question: How can I know my exact height?

Contents

## How do I know my true height?

Measure from the floor to the pencil mark with a measuring tape. Keep the measuring tape flat against the wall. If your measuring tape is too short to measure your full height, measure as high as you can and make a pencil mark on the wall. Note the measurement.

## How can I find the height of an image?

The ratio of image height to object height = the magnification will equal the ratio of distance from image over distance of the object to the mirror or lens.

## What is TSA of cylinder?

Total Surface Area of Cylinder The total surface area of a cylinder is equal to the sum of areas of all its faces. The total surface area with radius r, and height h is equal to the sum of the curved area and circular areas of the cylinder. TSA = 2π × r × h + 2πr2= 2πr (h + r) Square units.

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