
Aviation Math - REVISION - CHAP3 - Lesson 3.5

Quiz
•
Mathematics
•
Professional Development
•
Easy
Kabeer Asim
Used 4+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the length of the arc of the given sector. Give your answer to one decimal place and include units. Sector with radius 6 cm and a right angle (90°).
Arc length = (90/360) × 2π × 6 = 3π cm ≈ 9.4 cm
Arc length = (90/180) × 2π × 6 = 6π cm ≈ 18.8 cm
Arc length = (90/360) × π × 6 = 1.5π cm ≈ 4.7 cm
Arc length = (90/360) × 2π × 3 = 1.5π cm ≈ 4.7 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the length of the arc of the given sector. Give your answer to one decimal place and include units. Sector with radius 15 cm and central angle 120°.
Arc length = (120/360) × 2π × 15 = 10π cm ≈ 31.4 cm
Arc length = (120/360) × 2π × 15 = 5π cm ≈ 15.7 cm
Arc length = (120/360) × 2π × 15 = 20π cm ≈ 62.8 cm
Arc length = (120/360) × 2π × 15 = 7.5π cm ≈ 23.6 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the length of the arc of the given sector. Give your answer to one decimal place and include units. Sector with radius 4 m and central angle 30°.
Arc length = (30/360) × 2π × 4 = (1/12) × 2π × 4 = (2/3)π m ≈ 2.1 m
Arc length = (30/180) × 2π × 4 = (1/6) × 2π × 4 = (4/3)π m ≈ 4.2 m
Arc length = (30/360) × π × 4 = (1/12) × π × 4 = (1/3)π m ≈ 1.0 m
Arc length = (30/360) × 2π × 2 = (1/12) × 2π × 2 = (1/3)π m ≈ 1.0 m
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the length of the arc of the given sector. Give your answer to one decimal place and include units. Sector with radius 8 cm and central angle 14°.
Arc length = (14/360) × 2π × 8 ≈ 2.0 cm
Arc length = (14/360) × 2π × 8 ≈ 3.1 cm
Arc length = (14/360) × 2π × 8 ≈ 0.8 cm
Arc length = (14/360) × 2π × 8 ≈ 4.9 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A sector has a radius of 60cm and a central angle measuring 235°. What is the arc length?
Arc length = (235/360) × 2π × 60 ≈ 246.1 cm
Arc length = (235/360) × 2π × 60 ≈ 123.1 cm
Arc length = (235/360) × 2π × 60 ≈ 392.4 cm
Arc length = (235/360) × 2π × 60 ≈ 188.5 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the area of a sector with radius 12 cm and a right angle (90°). Leave your answer in terms of π.
Area = (90/360) × π × 12² = 36π cm²
Area = (90/180) × π × 12² = 72π cm²
Area = (90/360) × π × 12 = 3π cm²
Area = (90/360) × π × 12² = 24π cm²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the area of a sector with radius 12m with a central angle of 60°. Leave your answer in terms of π.
Area = (60/360) × π × 12² = 24π m²
Area = (60/360) × π × 12² = 48π m²
Area = (60/360) × π × 12² = 12π m²
Area = (60/360) × π × 12² = 36π m²
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