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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ८

Dhamu fixes a square tile of 30 cm on the floor. The tile has a sector design on it as shown in the figure. Find the area of the sector. (π = 3.14) - Mathematics

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प्रश्न

Dhamu fixes a square tile of 30 cm on the floor. The tile has a sector design on it as shown in the figure. Find the area of the sector. (π = 3.14)

योग

उत्तर

Side of the square = 30 cm

∴ Radius of the sector design = 30 cm

Given the design of a circular quadrant.

Area of the quadrant = `1/4 pi"r"^2  "sq.units"`

= `1/4 xx 3.14 xx 30 xx 30  "cm"^2`

= 3.14 × 15 × 15 cm2

∴ Area of the sector design = 706.5 cm2  .....(approximately)

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Area of the Sector
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Measurements - Exercise 2.1 [पृष्ठ ५९]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
अध्याय 2 Measurements
Exercise 2.1 | Q 9 | पृष्ठ ५९
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