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  1. that arc is 140/360 of the circle i.e. 7/18 of the circle so its area is 7/18 of pir^2 = 7?18(3.14*10^2) = 7/18*(3.14 * 199) m^2 = 7/18 * 314...

    1 Answers · Education & Reference · 03/04/2017

  2. 2r r*theta = 7 => theta = (7-2r)/r (1/2)r^2 * theta = 3 => (1/2)r (7-2r) = 3 => 2r^2-7r 6 = (2r-3)(r-2) = 0 r = 1.5 cm, 2 cm

    2 Answers · Education & Reference · 27/02/2017

  3. s=arc length 11=radius(theta) 11=radius(2.2 radians) 11/2.2=radius 5=radius (unit: cm) k= sector area k=1/2[(5)squared]theta k=1/2(25)(2.2) k=27.5 (unit: (cm)squared/radians)

    2 Answers · Education & Reference · 27/02/2017

  4. Formula for area of sector = (πr²*u)/360, where r is the radius and u is the central angle Here r = 10 in and u = 37 deg. So its area is: π(10²)*(37/360) sq in [Choice A ]

    1 Answers · Education & Reference · 06/07/2016

  5. 1. No. some sides are congruent 2. Number of sides and length of one side 3. Apothem goes from centre to side, radius goes to vertex You get the idea.

    4 Answers · Education & Reference · 07/03/2016

  6. Without more information you cannot find the central angle. Such as the area of the sector .

    1 Answers · Education & Reference · 20/10/2014

  7. ... circles can be divided and how circumference vs arclength, angle vs 360, area vs area of a sector all relate - circles : arc, chord, tangent, secant, two secants and their proportionality within a ...

    2 Answers · Education & Reference · 04/08/2014

  8. The sector of a circle has an area of 24π in^2 and the radius... in sector ..........----------------------- = -------------------------- ............. area of circle ............ area of sector ...

    3 Answers · Education & Reference · 20/05/2014

  9. ... area of the whole circle is πr^2 dividing the sector area by the circle area shows what fraction of the circle the sector is the whole circle is 360º , multiply by the fraction that the...

    1 Answers · Education & Reference · 07/05/2014

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