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### 19 Cards in this Set

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 What formula is used to find out the Perimeter of a square? p = 4s s = one side of the square What formula is used to find out the Area of a Square? If l is the side-length of a square, the area of the square is l2 or l × l. What is the area of a square having side-length 3.4? The area is the square of the side-length, which is 3.4 × 3.4 = 11.56. What formula is used to find out the Diagonal of a square? d = s(square root of 2) s = one side of the square A square has two diagonals, which are line segments linking opposite vertices (corners) of the square. What formula is used to find out the Perimeter of a rectangle? p = 2l + 2w where l = length and w = the width of the rectangle What formula is used to find out the Area of a rectangle? a = lw The area of a rectangle is the product of its width and length. What is the area of a rectangle having a length of 6 and a width of 2.2? The area is the product of these two side-lengths, which is 6 × 2.2 = 13.2. What formula is used to find out the Diagonal of a rectangle? d = (square root(l to the second power + w to the second power)) What formula is used to find out the Perimeter of a triangle? The perimeter, P, of a triangle is given by the formula P = a + b + c where a, b and c are the side lengths of the triangle. What formula is used to find out the Area of a Triangle? Consider a triangle with base length b and height h. The area of the triangle is 1/2 × b × h. What is the area of the triangle having a base of length 5.2 and a height of 4.2? The area of a triangle is half the product of its base and height, which is 1/2 ×5.2 × 4.2 = 2.6 × 4.2 = 10.92. What formula is used to find out the Radius of a circle? r = 1/2(d) Where d = the diameter of the circle What formula is used to find out the diameter of a circle? d = 2r What formula is used to find out the Circumference of a circle? c = 2(Pi)r What formula is used to find out the Area of a circle? a = Pi(r squared) What formula is used to find out the Volume of a cube? v = s cubed where s = the length of one side of the cube What formula is used to find out the Volume of a Rectangular box? v = lwh, where l = the length, w = the width, and h = the height of the box What formula is used to find out the Volume of a cylinder? v = (Pi)(r to the second power)(h) where r = the radius of the cylinder and h = the height of the cylinder What formula is used to find out the Surface area of a cube? SA = 6(s to the second power) What formula is used to find out the Surface area of a rectangular box? SA = 2lw + 2wh + 2lh What is the Distance formula? d = rt where d = distance. r = rate, and t = time What is the Interest formula? i = prt i = interest, p = principal, r = rate, and t = time