# .privatepwd{background:url(/flashcards/img/Password-protected_normal.png) no-repeat left;display:block;padding-left:15px;height:20px;background-position:4px 4px;float:left;}.privatepwd:hover{background:url(/flashcards/img/Password-protected_hover.png) no-repeat left;display:block;padding-left:15px;height:20px;background-position:4px 4px;float:left;}.private{background:url(/flashcards/img/Private_normal.png) no-repeat left;display:block;padding-left:15px;height:20px;background-position:2px 0px;float:left;margin-top:2px}.private:hover{background:url(/flashcards/img/Private_hover.png) no-repeat left;display:block;padding-left:15px;height:20px;background-position:2px 0px;float:left;margin-top:2px} GMAT Math : Basic Rules For Maths

25 cards

This Set Of Card Contains Some Basic Rules To Remember For Maths Questions. Some Rules Are Very Simple, But Still Nice For Revision.

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 Front Back What is Even x Even ? Even What is Even x Odd ? Even Odd x Odd = ? Odd Even + Even = ? Even Even + Odd = ? Odd Odd + Odd = Even Even In a right triangle with two 45 degree angles, what are the ratios? s: s : square root of 2 In a right triangle, if two sides are 7 and 25, what's the third? 24 In a right triangle 30:60:90 degree angles, what are the ratios of the sides? a: 2a: a X square root of 3 In a right triangle with sides 15 and 36, how much is the third side? 39 (it's a 5: 12: 13 triangle) What happens when you divide an isoceles triangle in half down the middle? You get a 30: 60: 90 triangle with sides of a, 2a and a x square root of 3 Area of a square based on diagonal is? 1/2 d squared To find the interior angle of any polygone use what formula? (n-2) X 180 degrees Volume of a cube = e cubed volume of a rectangular solid = l X w x h volume of a cylinder = (PI X r-squared) X height total surface area of a cylinder circumference X height + 2 (pi X r-squared) What is the third side if a triangle is 36: 45 ? 27 What is the diagonal of a square side of 64? 64 x square root 2 Total surface area of a cube 6e-squared Length of an arc is? (2 x pi-r)* x/360 circumference * fraction of the circle If J can paint a house in six days and E can paint it in 8, how long will it take working together? x/6 + x/8 = 1 What's the avg among a sequence of equally spaced numbers? The median The surface area of a cylinder is 2-pi-squared + 2-pi X radius X height volume formula for a cylinder V = pi X r-squared X height
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