Answer to: Find the length L and width W (with W \leq L) of the rectangle with perimeter 60 that has maximum area, and then find the maximum area...
Find the length and width of a rectangle that has the perimeter of60mand a maximum area. Second Derivative Test: Let f be a function defined on an interval I and c is any real number in the interval. Let f be twice differentiable at c. Then ...
For example, if a rectangle has an area of 20 square feet and a length of 10 feet, divide 20 by 10 to get a width of 2 feet. Step 2 Multiply the length times 2 and subtract this figure from the perimeter, if you're given these values. Then divide by 2 to find the width. (...
B. Subtract the length from the width. C. Multiply the length by the width. D. Divide the length by the width. 相关知识点: 试题来源: 解析 C。本题考查求长方形面积的步骤。长方形面积等于长乘以宽,所以首先应该把长和宽相乘。选项 A 是把长和宽相加,不符合;选项 B 是用宽减去长,不符...
Step 2: Label the length and width of each rectangle. ↓Step 3: Find the area of each rectangle.↓Step 4: Find the sum of all the areasAnswer the questions. Refer to the six-sided polygon above.What is the area of rectangle B?
a rectangle has a length of (x+5) units, a width of (x-3) units and an area of 48 units squared. Find the length and width of the rectangle.Only an algebraic solution will be accepted.Follow • 2 Add comment 1 Exp...
Find the area of rectangle whose length is 25cm and width is 5cm. 01:33 The area of a square and a rectangle are equal. If the side of the sq... 01:54 The area of a square and a rectangle are equal.If the side of the squa... 03:21 Find the area of a rectangle, whose Le...
How to Find Area of a Rectangle A rectangle is a polygon with four straight sides and four interior right angles. Unlike a square, a rectangle’s adjacent sides have different lengths, but the opposing sides are equal. Thearea of a rectangleis equal to the length times the width. ...
A rectangle has perimeter 44 cm.Find its area if its length is 5cm less than twice its width.相关知识点: 试题来源: 解析 perimeter 44 cm,length is 5cm less than twice its widthso,length+width=22length+5=2*widthso,length=13cm,width=9cmarea=length*width=13*9=117cm^2...
代数应用题!In the figure,the length and the width of a rectangle are 5 cm and y cm respectively.Find the area and the perimeter of the rectangle.