初三下册:第7章 (Part 2)

初三下册:第7章 (Part 2)

9th Grade

5 Qs

quiz-placeholder

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初三下册:第7章 (Part 2)

初三下册:第7章 (Part 2)

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

陈伟菁Tan, Ching

Used 9+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

求 sin30°cos60° 的值。

14\frac{1}{4}

12\frac{1}{2}

13\frac{1}{3}

15\frac{1}{5}

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

求x的值。

6

8

10

12

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

求x的值。

2

4

6

10

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

已知 cosθ = 1213\frac{12}{13}  ,求 sinθ的值。

sinθ= 513\frac{5}{13}  

sinθ= 512\frac{5}{12}  

sinθ= 135\frac{13}{5}  

sinθ= 125\frac{12}{5}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

求x的值。

17317\sqrt{3}

173\frac{17}{\sqrt{3}}

3173\sqrt{17}

51\sqrt{51}

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