首页
登录
职称英语
If the area of a circle is 81π, then the diameter of the circle isA、9B、18C、36
If the area of a circle is 81π, then the diameter of the circle isA、9B、18C、36
游客
2024-01-14
33
管理
问题
If the area of a circle is 81π, then the diameter of the circle is
选项
A、9
B、18
C、36
D、9π
E、18π
答案
B
解析
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.
转载请注明原文地址:https://tihaiku.com/zcyy/3360320.html
相关试题推荐
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswr
随机试题
Iwishtohaveafriendwith______sharesmyhobbiesandinterests.A、whomeverB
[originaltext]W:Hey,Steve.Doyouhappentoknowwherethemovietheaterisd
家庭教育理财规划的核心是()。A.子女教育规划 B.退休养老规划 C.
以下有关股权投资基金与被投资公司签署投资协议主要条款中,董事会席位条款是(
( )是股权投资基金行业的自律性组织,是社会团体法人。A.银行保险监督委员会
施工成本的过程控制中,人工费的控制实行()方法。【2014年真题】A、量化管理
暂态地电压局部放电检测仪器宜具备放电类型识别功能,判断绝缘()等放电类型沿面放电
A.2 B.3 C.0 D.不存在
某银行流动性资产余额为3500万元,流动性负债余额为10400万元,则流动性比例
银行卡的功能包括( )。A.支付结算 B.汇兑转账 C.储蓄功能 D.个人
最新回复
(
0
)