32 / (5π/4) = A / (2π) This gives the area of the whole circle. A = 32(2π) /(5π/4) A = 256/5 A = πr^2 256/5 = πr^2 √(256 /(5π)) = r 4.037 = r

2 Answers · Science & Mathematics · 22/09/2018

since a circle has central angle 2π and area π radius² then a sector has area " (angle measure / 2 ) radius² "....thus ( 7 π / 12 ) 9²

3 Answers · Science & Mathematics · 29/09/2018

.... ∠AOM = tan⁻¹(3/4) ∠AOB = 2tan⁻¹(3/4) area (minor sector AB) = 2tan⁻¹(3/4)(5²)/2 = 25tan⁻¹(3/4) area (∆...

3 Answers · Science & Mathematics · 09/09/2018

...100√3 in². The intersection of a circle with the triangle is a 60° sector , or ⅙ of the circle. Area of the circle is 100π in², so area of the sector is 100π/6...

6 Answers · Science & Mathematics · 10/05/2018

... - 5²) = 10√(2) θ = sin⁻¹(1/3) ∠DCB = θ + π/2 area ( sector AOB) = (OA)²θ/2 = 200θ area (∆ODC) = (OD)(...

2 Answers · Science & Mathematics · 08/05/2018

Full Circle Area = 144π ft^2 New Area = 132π ≈ 415 ft^2

2 Answers · Science & Mathematics · 25/03/2018

7 π m²

9 Answers · Science & Mathematics · 14/03/2018

Area of Sector = (θ * π) /360 * r^2 , where θ is in degrees: so in this case: (θ * π) /360 * 3^2 = 20 m^2 θ = (20 * 360)/(9 *π) θ = (20 * 40)/π θ = 800/π degrees θ ≈ 254.65°

3 Answers · Science & Mathematics · 03/03/2018

...93.53 units² Each interior angle of the hexagon is 120°. Area of each 120° sector = ⅓ area of circle = ⅓·π3² = 3π units²...

3 Answers · Science & Mathematics · 15/01/2018

...height) = 2 * (1/2 * 5√3 * 5/2) = 25√3/2 sin(θ/2) = (5/2)/5 = 1/2 θ/2 = π/6 Area of 2 green sectors = 2 * (r² * θ/2) = 2 * (25 * π/6) = 25π/3...

3 Answers · Science & Mathematics · 07/01/2018