Scholarship Exam Preparation App
Class 7 - (Math )
Mensuration - Area- Triangle, Square, Rectangle, Parallelogram Rhombus Quadrilateral, Circle, Irregular Figure, Shaded Portion Trapezium
A circle has radius 7√2 cm. What is the area of its quarter circle?
a :
77 cm²
b :
154 cm²
c :
38.5 cm²
d :
49 cm²
Explanation :
Complete area = π × (7√2)² = (22/7) × 98 = 308. Area = 308 / 4 = 77 cm².