He was using an isosceles right triangle.
Both legs of an isosceles triangle are the same length, so knowing that when the shadow of the triangle was the same height as the triangle, then he knew that the shadow of an object would also be the same as it's height.
Answer:
Option D.
Step-by-step explanation:
We can easily solve this problem by using a graphing calculator or plotting tool.
The function is
f(t) = a*sin (b*t +c) + d
Please, see attached picture below.
By looking at the picture with all the possible cases, we can tell that the correct option is D.
The function has a period of T = 6π
Max . Amplitude = 9
Min . Amplitude = -5
Answer:
The ratio of circumference to diameter is a constant
Step-by-step explanation:
The first line on the page tells you the relation: the ratio of the circumference to the diameter is about 3.14.
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Another way to say this is that the circumference is about 3.14 times the diameter.
The answer to your question is 11.25
