几何工具: 基础能力测试
LIVE课程将用最简单的语言将最复杂的数学概念去芜存菁。在开始上课前，让我们来确认你已经掌握了我们将在本课程中使用的基本概念。如果您在此测试中答出 80%以上的题目，同时在 place-out test 中得到低于 70%的分数，那么就从这个模块开始学习吧！ 这个测试对你来说应该很容易，因为它只是基础能力测试。
考试时间还剩下：
10:00
10:00
1.
What is this shape called?
Kite
Parallelogram
Rhombus
Tetrahedron
Trapezoid
2.
These two lines are perpendicular. How many degrees are in the marked angle?
\(25^\circ\)
\(75^\circ\)
\(90^\circ\)
\(270^\circ\)
\(365^\circ\)
3.
What is the area of this triangle?
\(14\)
\(20\)
\(40\)
\(4 \sqrt{10}\)
\(\sqrt{4^2 + 10^2}\)
4.
What is the length of the hypotenuse of this right triangle?
\(3\)
\(\displaystyle \frac{20}{3}\)
\(\sqrt{41}\)
\(2 \sqrt{20}\)
\(\sqrt{4} + \sqrt{5}\)
5.
Line segment \(AC\) has length \(120,\) and point \(B\) splits it into two parts, where \(AB\) is \(\frac{2}{3}\) as long as \(BC.\) How long is \(AB?\)
\(36\)
\(40\)
\(48\)
\(60\)
\(80\)
6.
A circle has area \(9.\) What is its circumference?
\(9 \pi\)
\(18 \pi\)
\(81 \pi\)
\(9 \pi^2\)
\(6 \sqrt{\pi}\)