What is the missing step ?
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The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

[tex]5 \times1 \frac{12}{13} [/tex] me