# Yahoo Web Search

1. ### How to program surface area and volume formulas into a TI-84 plus?

2 Answers · Science & Mathematics · 28/04/2012

2. ### Can someone help me with these two incredibly simple math questions?

... = pi * R^2, so the area of the whole cirlce is 81*pi. The sector with a central angle of 120 is exactly 1...you can multiply 27*pi on your calculator to get: 84.8.

2 Answers · Science & Mathematics · 27/05/2011

3. ### Mensuration question...?

...6= .5 Use the inverse cos function on a calculator or a cos table to find that this angle measures.... Now you can find the area of the entire pie-shaped sector and subtract the area of the triangle to find the...

2 Answers · Science & Mathematics · 17/09/2008

4. ### Who knows any thing about Sector Area in geometry?ASAP!?

...dependent on your calculator . Don't hit the pi key on your calculator . when you have the problem simplify it and do the math on a piece of paper. It's really easy numbers. pi*3^2 * (80/360) for example...

2 Answers · Education & Reference · 02/04/2010

5. ### How to solve this math problem?

area of arc sector =1/2*(theta)(r^2) 60 degrees equal pi/3 radians i don't have a calculator at the moment. i did it the long way: ( area of big circle - area of small circle...

1 Answers · Science & Mathematics · 03/07/2013

6. ### Radians etc... and related concepts?

...angle of cut-off. Area of sector cut off = r^2A Area of triangular portion (isosceles) = r^... Area of segment left over = r^2( A - cosAsinA) Repeat... of time and patience, even with a calculator .

2 Answers · Science & Mathematics · 08/04/2009

7. ### Finding the total area enclosed by the polar graphs of r=cos(2theta) and r=1/2? Please see if I am correct?

... are almost correct. Here is a diagram of both graphs. We can see that both ...1/2 ∫ (1/2)² dθ, from 0 to π/6, we get area of sector that is shaded in yellow: http://i55.tinypic...

1 Answers · Science & Mathematics · 26/04/2011

8. ### A circle with diam 14 inch ,,I want to divide it verticaly to 3 equal pieces in area ?

...2 Area of segment = Area of sector - Area of triange . . . . . . . . . . . . .= 49 θ / 2 - 49 sin... easy way to find θ, I used a graphing calculator θ = 2.605326 (in radians...

1 Answers · Science & Mathematics · 27/08/2010

9. ### Need Maths Helppp :( .. Thanks?

... D: Using a calculator Pie Charts Stem... and elevations Area and Circumference of a circle (and sector area and lengths) Probability...

4 Answers · Science & Mathematics · 27/06/2011

10. ### Simple area question for those in geometry (see details)?

... graphing calculator to calculate definite integral...get: Overlap area = 363.6 Note... squarish, with 2 of the sides = 20...this. -------------------- A = 9300π - overlap A ...calculate area of two sectors of a circle with common...

5 Answers · Science & Mathematics · 28/09/2009