【题目】【题目】If each smal lcircle has a diameter of 6 cm,a nd if thetwo smal lcircles touch at the centter of the large circle,what is the are a of the sha 相关知识点: 试题来源: 解析 【解析】 【解析】 如果每一个小圆的直径是 _ ,如图(应该有个图 的)两个小圆在大圆的中心相...
a他与其说是笨倒不如说是粗心 If he said is stupid would rather said is careless[translate] a这次活动将会是同学们放松的好机会 This activity could be the good opportunity which schoolmates will relax[translate] a将其从运动前景中消除,去除了阴影的运动前景即为运动目标。 Eliminated it from the movem...
a全国人民代表大会b全国人民代表大会常务委员会c国务院d最高人民法院 免费查看参考答案及解析 题目: dns服务器在名称解析过程中正确的查询顺序为 ()。a.本地缓存记录→区域记录→转发域名服务器→根域名服务器b.区域记录→本地缓存记录→转发域名服务器→根域名服务器c.本地缓存记录→区域记录→根域名服务器→...
3. If the radius of a circle is 3\mathrm{dm}, then the circle's diameter is( )\mathrm{dm}, the circumference is( )\mathrm{dm}, the area is( )\mathrm{dm^{2}}.相关知识点: 试题来源: 解析 6;18.84;28.26 已知圆的半径为 3dm,则: * **直径** 为半径的两倍,即 6dm。 * **周长...
1【题目】2 If the radius of a large circle istwice the diameter of a smal circle, then the circumferenceof the small circle is of that of the large circle, and the area of the small circleisof that of the large circle. 221 If the radius of a large circle is twice the diameter of...
A. 9 B. 18 C. 36 D. 9π E. 18π 相关知识点: 试题来源: 解析 B The formula for the area of a circle is πr2. Therefore, the radius of this circle is the square root of 81, or 9. The diameter is twice the radius, so 18.反馈...
Let AB \and\ CD be two chords of a circle whose centre is O let PQ be a diameter bisecting chords AB \and\ CD \at\ L \and\ M respectively. Since PQ is a diameter. So, it passes through the centre O of the circle. Now,L is mid-point of AB. OL|AB(Line join
DIf the radius of my circle is 4, its diameter is 2*4=8. The length of each side of my triangle is 2*8=16. Its perimeter is 3*16=48.三角形的每条边的长度都是圆直径的两倍,如果圆的半径是4,那么三角形的周长是多少( )?A.6B.24C.32D.48如果圆的半径是4,它的直径是2*4=8.三角形的...
If only the diameter is known, a circle can be drawn in a plane figure.A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
The co-ordinates of one end of a diameter of a circle are(5, -7) If co-ordinates of the centre be (7, 3) then the co-ordinate of the other end of the diameter is. C A)(9,1)B)(9,3)C)(9,13)D)(4,13)E)None of these 相关知识点: 试题来源: 解析 C 反馈 收藏...