From a rectangular metal sheet whose measure 30cm×20cm, a circular portion whose radius is 10.5cm is cut off .Find the area of r

Question

3 years ago

6

emaining metal sheet .

1 answer:

miskamm [114] · Answer 1 · 2022-06-11T23:21:48+03:00

5 0

Answer:

254 cm²

Step-by-step explanation:

Calculate first the total area

A = 30*20 = 600 cm²

Then calculate the area of the cercle

A= 10.5²*π = 346.36≈346 cm²

Then substract the area of the circle from the total one:

600-346= 254 cm²