Square Area = a2 a = length of side Rectangle Area = w × h w = width h = height Parallelogram Area = b × h b = base h = vertical height Trapezoid (US) Trapezium (UK) Area = ½(a+b) × h h = vertical heigh
A circle is a figure in which all points are the same distance from the center. A square is a regular quadrilateral with four right angles. In the hierarchy of quadrilaterals, it can be classed as both a rectangle and a rhombus.
5. Draw a circle in a square, and the area of the circle is12.56cm^2 then the area of the square is( )cm^2 at least (至少).A. 12.56B. 14C. 16D. 20 相关知识点: 试题来源: 解析 C. 16 已知圆的面积为12.56平方厘米,根据圆的面积公式,可求得圆的半径为2厘米。由于圆内切于正方...
The area of a circle with a radius of 3 cm is equal to the area of a square. What is the side length of the square? A. 3 cm B. 3π cm C. 3√π cm D. 9 cm 相关知识点: 试题来源: 解析 C。解析:圆的面积为π×3×3 = 9π平方厘米。设正方形边长为 a,则 a×a = 9π,...
The area of circle is the measure of the space or region enclosed inside the circle or it is the total number of square units inside that circle.
The diameter of a circle is double in magnitude as compared to the radius of the circle. Answer and Explanation:1 Given that a circle is inscribed in a square with an area of121ft2. $$\begin{align} A &= 121 \rm ~ft^{...
To solve the problem, we need to find the ratio of the perimeters of a square and a circle when their areas are equal. Let's break this down step by step. Step 1: Set up the equations for the areasThe area of a square (A_square) can be expressed as:Asquare=a2where a is the ...
Note: Max could have estimated the area by: 1. Calculating a square hole: 0.4× 0.4 = 0.16 m2 2. Taking 80% of that (estimates a circle): 80% × 0.16 m2 = 0.128 m2 3. And the volume of a 1 m deep hole is: 0.128 m3And something interesting for you:See...
The area of a circle is 25π square centimeters. What is the radius? A. 边难常例边难常例3 centimeters边难常例边难常例 B. 之议经毛万结之议经毛万结4 centimeters之议经毛万结之议经毛万结 C. 采科采科5 centimeters采科采科 D. 线已线已6 centimeters线已线已 相关知识点: 试题来源: 解...
解析 Answes'- thenc e, area of the given figue=49⋅20+5m^2 结果一 题目 【题目】The figure below shows a square and a semi-circle.Find the area of the figure below by dividing it intosmaller figures.Pi(π)=3.14KooBits Math9m9m 答案 【解析】Answes'- Henc e, asea of the given ...