A triangle has angles measuring 30 degrees, 60 degrees, and 90 degrees. What is the ratio of the sides opposite these angles? A. 1:2:3 B. 1:√3:2 C. 2:1:√3 相关知识点: 试题来源: 解析 B。在 30-60-90 度的直角三角形中,边长比为 1:√3:2。
I ran to the bus stop but the bus had gone. It was eight thirty when I got to my classroom. My t eacher was angry and I felt very bad. At four thirty, it was time to go home. On my way h ome,it began to rain heavily. But I didn't ta ke my umbrella. Finally, I got ...
Is it 90, 1 year? As I have researched best practices for "backup copy" retention, one of the things that became a question is: Do "backup copies" need to follow the same retention cycle as active and/or archived data? If your backup "copy" is specifically and only ...
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= (It is) needless to say (that) …= It is obvious that … 例: It goes without saying that it pays off to keep early hours. 不用说早睡早起是值得的。 2. 在各种……之中,……Among various kinds of …, … / = Of all the …, … ...
A triangle has angles of 30 degrees, 60 degrees, and 90 degrees. What is the ratio of the sides opposite these angles? A. 1:2:3 B. 1:√3:2 C. 2:3:4 D. 3:4:5 相关知识点: 试题来源: 解析 B。直角三角形中,30 度、60 度、90 度所对边的比例为 1:√3:2。A 选项 1:2:3...
A triangle has angles of 30 degrees, 60 degrees and 90 degrees. What is the measure of the largest angle? A. 30 degrees B. 60 degrees C. 90 degrees D. 180 degrees 相关知识点: 试题来源: 解析 C。本题考查三角形内角大小。在直角三角形中,90 度角是最大的角,所以选 C。A 选项 30 度...
Are you thinking about making the switch to solar but don’t know how to apply for the Federal Solar Tax Credit? Or do you have questions about your eligibility? It’s simpler than you think… Read on to find out. What Is The 30% Solar Tax Credit?
When your subscription ends, your access to Microsoft 365 products and services, apps, and customer data goes through multiple statuses before the subscription is fully turned off, or deleted. Being aware of this status progression can help you return your subscription to an active status before ...
"The longer the faults, the larger is the displacement associated with the fault during the earthquake," says the seismologist. "In this case, the first earthquake moved in that specific area, shifted and slipped apart five to eight meters. And the second fault as well had seve...