Abcd is a square of side 10cm. ad and dc are the diameter of the semicircles. ab is the radius of the quadrant
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GETTING THE TOTAL SURFACE AREA :
1. The area of the square :
10 × 10 = 100cm ²
2. The area of the two semicircles
3.172 × (10/2)² = 6.142 × 25 = 78.55 cm²
3. The area of quadrant
3.142 × 0.25 × 10² = 78.55 cm ²
Total surface area :
Area of square + Area of semicircles + area of quadrant
100 + 78.55 + 78.55 = 257.1 cm²
1. The area of the square :
10 × 10 = 100cm ²
2. The area of the two semicircles
3.172 × (10/2)² = 6.142 × 25 = 78.55 cm²
3. The area of quadrant
3.142 × 0.25 × 10² = 78.55 cm ²
Total surface area :
Area of square + Area of semicircles + area of quadrant
100 + 78.55 + 78.55 = 257.1 cm²
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