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15 Qs

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Assessment

Quiz

Other, Mathematics

University - Professional Development

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Created by

Catherine Loh

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

请选出找到度数的formula

 sin Aa=sin Bb=sin Cc\frac{\sin\ A}{a}=\frac{\sin\ B}{b}=\frac{\sin\ C}{c}  

 asin A=bsin B=csin C\frac{a}{\sin\ A}=\frac{b}{\sin\ B}=\frac{c}{\sin\ C}  

 a2=b2+c22bc cos Aa^2=b^2+c^2-2bc\ \cos\ A  

 12ab sinC\frac{1}{2}ab\ \sin C  

 cosA=b2+c2a22bc\cos A=\frac{b^2+c^2-a^2}{2bc}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

请选出计算面积的formula

 sin Aa=sin Bb=sin Cc\frac{\sin\ A}{a}=\frac{\sin\ B}{b}=\frac{\sin\ C}{c}  

 asin A=bsin B=csin C\frac{a}{\sin\ A}=\frac{b}{\sin\ B}=\frac{c}{\sin\ C}  

 a2=b2+c22bc cos Aa^2=b^2+c^2-2bc\ \cos\ A  

 12ab sinC\frac{1}{2}ab\ \sin C  

 cosA=b2+c2a22bc\cos A=\frac{b^2+c^2-a^2}{2bc}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

请选出计算长度的formula

 sin Aa=sin Bb=sin Cc\frac{\sin\ A}{a}=\frac{\sin\ B}{b}=\frac{\sin\ C}{c}  

 asin A=bsin B=csin C\frac{a}{\sin\ A}=\frac{b}{\sin\ B}=\frac{c}{\sin\ C}  

 a2=b2+c22bc cos Aa^2=b^2+c^2-2bc\ \cos\ A  

 12ab sinC\frac{1}{2}ab\ \sin C  

 cosA=b2+c2a22bc\cos A=\frac{b^2+c^2-a^2}{2bc}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following triangles can be solve using sine rule?

Antara segi tiga berikut, yang manakah dapat diselesaikan menggunakan petua sinus?

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

当题目给 1 pair + 1 个长度时,我们应该用

 sin Aa=sin Bb=sin Cc\frac{\sin\ A}{a}=\frac{\sin\ B}{b}=\frac{\sin\ C}{c}  

 asin A=bsin B=csin C\frac{a}{\sin\ A}=\frac{b}{\sin\ B}=\frac{c}{\sin\ C}  

 a2=b2+c22bc cos Aa^2=b^2+c^2-2bc\ \cos\ A  

 12ab sinC\frac{1}{2}ab\ \sin C  

 cosA=b2+c2a22bc\cos A=\frac{b^2+c^2-a^2}{2bc}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

当题目给 1pair + 1个度数时,我们应该用 (找长度)

 sin Aa=sin Bb=sin Cc\frac{\sin\ A}{a}=\frac{\sin\ B}{b}=\frac{\sin\ C}{c}  

 asin A=bsin B=csin C\frac{a}{\sin\ A}=\frac{b}{\sin\ B}=\frac{c}{\sin\ C}  

 a2=b2+c22bc cos Aa^2=b^2+c^2-2bc\ \cos\ A  

 12ab sinC\frac{1}{2}ab\ \sin C  

 cosA=b2+c2a22bc\cos A=\frac{b^2+c^2-a^2}{2bc}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

当题目给 3个长数时,我们应该用 (找度数)

 sin Aa=sin Bb=sin Cc\frac{\sin\ A}{a}=\frac{\sin\ B}{b}=\frac{\sin\ C}{c}  

 asin A=bsin B=csin C\frac{a}{\sin\ A}=\frac{b}{\sin\ B}=\frac{c}{\sin\ C}  

 a2=b2+c22bc cos Aa^2=b^2+c^2-2bc\ \cos\ A  

 12ab sinC\frac{1}{2}ab\ \sin C  

 cosA=b2+c2a22bc\cos A=\frac{b^2+c^2-a^2}{2bc}  

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