Advertisements
Advertisements
प्रश्न
Find the perimeter of a sector of a circle if its measure is 90° and radius is 7 cm.
विकल्प
25 cm
44 cm
36 cm
56 cm
MCQ
Advertisements
उत्तर
25 cm
Explanation:
Here, r = 7 cm and θ = 90º
∴ Perimeter of the sector = `θ/(360^circ) xx 2πr + 2r`
= `(90^circ)/(360^circ) xx 2 xx 22/7 xx 7 + 2 xx 7`
= 11 + 14
= 25 cm
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
