Question

What is the area of the sector, whose diameter is 40 mm and angle is 120°? ​

Answer 1

✰✰|| Given ||✰✰

• Diameter of sector = 40 mm

• Angel of sector = 120°

✰✰|| To Find ||✰✰

• Area of sector

❈|| Formula Use ||❈

• Area of sector = ½ r² ∅

✪|| Solution ||✪

Area of sector = ½ r² ∅

⇒ Area of sector = ½ × ( 40mm/2 )² × 120°

⇒ Area of sector = ½ × ( 20mm )² × 120°

⇒ Area of sector = ½ × 400mm² × 120°

⇒ Area of sector = ½ × 48000mm²

⇒ Area of sector = 1× 24000mm²

⇒ Area of sector = 24000mm²

★ Area of sector is 24000mm²

Answer 2

Answer:

A: 418.66mm²

Step-by-step explanation:

व्हाट इज द एज ऑफ द सेक्टर 20 डायमीटर इन 40 एमएम एंड एंगल इज 1 डिग्री