The length of the shadow of your 1.6 meter height is 2.8 meters at a certain time in the afternoon. How high is an electrical post in your backyard if the length of its shadow is20 meters?
The length of the shadow of your 1.6 meter height is 2.8 meters at a certain time in the afternoon. How high is an electrical post in your backyard if the length of its shadow is20 meters?