LIVELIVE
几何工具 的图标
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 分级测试 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

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∘25^\circ
75∘75^\circ
90∘90^\circ
270∘270^\circ
365∘365^\circ

3.

What is the area of this triangle?
1414
2020
4040
4104 \sqrt{10}
42+102\sqrt{4^2 + 10^2}

4.

What is the length of the hypotenuse of this right triangle?
33
203\displaystyle \frac{20}{3}
41\sqrt{41}
2202 \sqrt{20}
4+5\sqrt{4} + \sqrt{5}

5.

Line segment ACAC has length 120,120, and point BB splits it into two parts, where ABAB is 23\frac{2}{3} as long as BC.BC. How long is AB?AB?
3636
4040
4848
6060
8080

6.

A circle has area 9.9. What is its circumference?
9π9 \pi
18π18 \pi
81π81 \pi
9π29 \pi^2
6π6 \sqrt{\pi}