查询词典 area of a circle

Find the area of a circle.

找出圆的面积。

Calculating the area of a circle; calculated their probable time of arrival.

计算圆的面积；计算他们可能的抵达时间

Calculate the perimeter and the area of a circle skillfully.

熟练地进行周长和面积的计算。

AI:The area of a circle is pi times the radius squared.

這貨它嗎的居然說：圆的面积皮倍，半径的平方。

The formula Πr is used to calculate the area of a circle.

pr 这个公式用於计算圆面积。

Later, in people's intellectual level of a significant increase, with the carriage, such as animal transport, but also the history of transport is a "huge" leap forward, and this is also relative to promote the inter-tribal, exchanges between the ruling and opposition parties to form a small area of a virtuous circle, soon after, water transport has gradually forming, but also the rapid development of transport being used on the battlefield in the Three Kingdoms period, each World War II will gather the best tools and transport operations (but no longer advanced only species breeding horses and bad horses very small difference between).

后来，在人们的智力水平有了显著提高后，有了马车等畜力交通工具，也算是交通工具史的一个"巨大"的飞跃了，这也相对的促进了部落间、朝野间的交流，形成小范围内的良性循环，之后不久，水上的交通工具也逐渐成型，不过交通的迅速发展也被利用在战场上，在三国时期，每次大战都会聚集最顶尖的作战工具和交通工具（不过再先进也只是良种马和劣种马间的极小的区别）。

The "no-charge area," formerly a two-by-six foot box where an offensive foul is not called if contact is made with a secondary defensive player who has established a defensive position, will be expanded to the area consisting of a half circle with a four-foot radius measured from the middle of the goal.

翻译成中文就是这段：以篮筐为圆心，4英尺为半径的半圆区域之内，进攻球员撞击已确定防守位置的辅助防守球员将不被判进攻撞人犯规。这一区域过去是一个2x6英尺的矩形。所以我也一直有疑问到底no-charge area是上面时候出现的。还是上面这段文字的翻译我翻译错误了？

Four circles of radius 1 are each tangent to two sides of a square and externally tangent to a circle of radius 2, as shown. What is the area of the square?

A 32 22+12 2 16+16 3 48 36+16 2 中文：如图所示，四个半径是 1 的圆分别与正方形的两边相切且与一个半径是 2 的圆外切，这个正方形的面积是多少？

In a circle,when an isogon unlimited number of margin increase, the limits of its perimeter is circumference, and its size limited is the area of the circle.

（《九章算术》方田章圆田术刘徽注）这就是说，圆内接正多边形的边数无限增加的时候，它的周长的极限是圆周长，它的面积的极限是圆面积。

If the radius of a circle is longer, the area of the circle will be larger.

半径越长，圆的面积越大。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。