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taylorsamodell3217
30.07.2019 •
Mathematics
The circumference of the base of a cylinder is 24π mm. a similar cylinder has a base with circumference of 60π mm. the lateral area of the larger cylinder is 210π mm2. what is the lateral area of the smaller cylinder? 17.1π mm2 33.6π mm2 60π mm2 84π mm2
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Ответ:
Step 1
Find the scale factor
we know that
If the two cylinders are similar
then
The ratio between the circumference of the larger cylinder to the circumference of the smaller cylinder is equal to the scale factor
Step 2
Find the lateral area of the smaller cylinder
we know that
If the two cylinders are similar
then
The ratio between the lateral area of the larger cylinder to the lateral area of the smaller cylinder is equal to the scale factor squared
Let
x--------> the lateral area of the larger cylinder
y-------> the lateral area of the smaller cylinder
z--------> the scale factor
In this problem we have
substitute in the formula and solve for y
therefore
the answer is
Ответ:
i dont know im stuiped
Step-by-step explanation: