CBSE /Class 10
Maths MCQ Based On Areas related to circles areas of combinations of plane figures
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CBSE Class 10 Maths Areas related to circles areas of combinations of plane figures
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Find out the area of minor sector considering the length of radius to be 15 cm. Find out the area of circle, with radius = 4cm . Now subtract their area to figure out the area of shaded region.
Area of shaded region = Area of triangle - area of circle
Area of shaded region = Area of square MNOP - Area of four circles
circumference = \\(2\\pi r \\) Distance = \\(\\frac{1}{2} \\times circumference\\)
Areaa of circle = \\(\\pi r^{2}\\)
Area of combined figure = Area of square + Area of semicircle
step 1- Find the Area of square and Area of quadrant step 2- Area of 4 quadrant step 3- Area of shaded region = Area of square - Area of quadrant
Area of the quadrant = (πR2)/4 Use the Pythagoras theorem to find the radius.
Find OY = \\(\\sqrt{OX^{2}+XY^{2}}\\) Area of shaded region = Area of quadrant - Area of square
Radius of large circle = 14 cm Area of the shaded region = Area of large circle - Area of triangle - Area of large semi cicle + Area of smaller circle
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