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  1. ... and CD are the parallel sides with lengths 10 cm and 20 cm , respectively. See the attached sketch. Let point ...

    3 Answers · Science & Mathematics · 03/08/2020

  2. The area of a sector of a circle with a radius of 15 cm is 75pi cm ^2. ? Total circle Area = π(15)^2 = 225π cm ^2...

    11 Answers · Science & Mathematics · 28/05/2020

  3. A=l*w 56= 2l + 2w; w= 28 - l A= l*(28 - l)= 28l - l² dA/dl= 28 - 2l= 0 l= 14 cm , w= 14 cm

    4 Answers · Science & Mathematics · 19/05/2020

  4. ...  dV/dt = 4πr².dr/dt so, when the diameter is 20 cm we have: -4π = 4πr².dr/dt Hence, dr/dt = -1/r² i.e. dr...

    3 Answers · Science & Mathematics · 15/08/2020

  5. apply the law of sine ..a................b ---------=-------------- .sin(A)........sin(B) ..45..............b --------- = ----------- .sin(70) ....sin(40) 45sin(40) = bsin(70) b = 30.78 cm or 31 cm answer//

    2 Answers · Science & Mathematics · 06/10/2020

  6. 1 US gallon is 231 cubic inches 1 inch is 2.54 cm 231 * 2.54^3 => 3,785.411784 cm ^3

    3 Answers · Science & Mathematics · 03/09/2020

  7. ...and h r² + h² = s² 3² + h² = 5² h = 4 cm V = 1/3 π(3)²(4) V = 12π Answer C

    4 Answers · Science & Mathematics · 11/06/2020

  8. 1.1 cm = 0.4330708661417323 in

    6 Answers · Science & Mathematics · 01/07/2020

  9. The volume of a sphere with radius "r" is given by: V = 4*π*r³/3 so: r = (3V/(4π))^(1/3) The surface area of a sphere with radius "r" is given by: A = 4π*r² You want to know the area given the volume...

    4 Answers · Science & Mathematics · 31/10/2019

  10. AC = 2.  See below for explanation. Notice that there are two similar triangles, ABC and EBD.  The area of EBD is twice that of ABC, since the trapezoid area is equal to that of triangle ABC. But, the square...

    3 Answers · Science & Mathematics · 19/12/2019

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