The sum of a trapezoid is 360 degrees
45+90+90+x=360
45+180+x=360
225+x=360
x=135
Volume of sphere = 1766.25 cm^3
Step-by-step explanation:
The radius of sphere = 7.5 cm
Volume of sphere = ?
The formula used is:

Putting values:

So, Volume of sphere = 1766.25 cm^3
Keywords: Volume of sphere
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Answer:
trapezium................
27 is the answer, I can explain how I got that if you need.