百度试题 结果1 题目What is the formula for the area of a rectangle? A. A = b × h B. A = πr² C. A = πd² D. A = a² 相关知识点: 试题来源: 解析 A 反馈 收藏
B。解析:文章中明确提到“The perimeter of a rectangle is the total length of all its sides. To find the perimeter of a rectangle, we add up the lengths of all four sides. Since opposite sides of a rectangle are equal, the perimeter can be calculated as follows: P = 2(length + width...
So, what is the area formula for a rectangle, a triangle and a circle? Learn how to calculate the area for each using the area formulas in the examples below. How to Calculate the Area of a Rectangle Need to know what size rug to buy? Calculate the area of your rectangular space ...
or, perimeter of the rectangle = 2(l+b), This is the formula for the perimeter of a rectangle.Answer and Explanation: Let x be the width of the rectangle, As given, the length of the rectangle is fixed at 27 cm, so the perimeter of the rec...
These different types of quadrilaterals are square, rectangle, parallelogram, rhombus, kite, trapezoid, and many more. Here, we will see the formulas for areas of parallelogram, square, trapezoid, rectangle, and kite.Area of quadrilateral formula when it is divided into separate triangles as ...
32+2uLet: l=u+7 w=9 The formula for the perimeter of a rectangle is P=2(l+w). Substitute the values of l and w into the formula below: P =2(l+w) P =2((u+7)+9) P =2(u+7+9) P =2(u+16) P =2u+32 P =32+2u The perimeter of the rectangle is 32 + 2u. 反馈...
解析:The correct answer is J. To find the length of fence needed to fence a rectangular lot 150 ft by 200 ft, you need to find the perimeter. The formula for the perimeter of a rectangle is 2 times the sum of the length and width, or P = 2( l+ w). 2(150 +200) =2(350)...
So, the area of the rectangle is 18 square inches. The unit of area of a rectangle is “square units” (square inches, square feets, etc) as the lengths are multiplied together, so are the units.Recommended Worksheets More Worksheets The formula for finding the area of a rectangleArea ...
What is the formula for the area of a circle? What is the center of the circle 4x^2 + 4y^2 + 24y - 4x - 35 = 0? What is the center of the circle (x - 3)^2 + (y + 5)^2 = 36? Given f(x) = 3x + 5 and g(x) = 5 - x, find: a) f circle g b) g circle...
There are special formulas for certain shapes:Example: What is the area of this rectangle? The formula is: Area = w × h w = width h = height The width is 5, and the height is 3, so we know w = 5 and h = 3: Area = 5 × 3 = 15Learn more at Area of Plane Shapes....