Oblique Triangle

Oblique Triangle

10th Grade

10 Qs

quiz-placeholder

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Oblique Triangle

Oblique Triangle

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

Wahida Wahid

Used 14+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the correct formula to find the lenght of AC by using Sine Rule?

sin 51.381°=sin AC85°\frac{\sin\ 51.3}{81\degree}=\frac{\sin\ AC}{85\degree}

51.3sin 81°=sin 85°AC\frac{51.3}{\sin\ 81\degree}=\frac{\sin\ 85\degree}{AC}

51.3sin 81°=ACsin 85°\frac{51.3}{\sin\ 81\degree}=\frac{AC}{\sin\ 85\degree}

51.3sin 85°=ACsin 81°\frac{51.3}{\sin\ 85\degree}=\frac{AC}{\sin\ 81\degree}

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Calculate the lenght of AC.

51.74 cm

57.14 cm

54.17 cm

75.14 cm

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the correct formula to find thae angle of P?

sin x°sin 40°=107\frac{\sin\ x\degree}{\sin\ 40\degree}=\frac{10}{7}

7sin x°=10sin 40°\frac{7}{\sin\ x\degree}=\frac{10}{\sin\ 40\degree}

7sin x°=sin 40°10\frac{7}{\sin\ x\degree}=\frac{\sin\ 40\degree}{10}

sin x°10=sin 40°7\frac{\sin\ x\degree}{10}=\frac{\sin\ 40\degree}{7}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Calculate the angle of  QPR\angle QPR  .

 66.67°66.67\degree  

 67.67°67.67\degree  

 76.67°76.67\degree  

 76.76°76.76\degree  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Which of the following the correct formula to find the length of AB?

b2=a2+c22ab cos Bb^2=a^2+c^2-2ab\ \cos\ B

c2=a2+b22ab cos Cc^2=a^2+b^2-2ab\ \cos\ C

c2=a2+b22ab cos Bc^2=a^2+b^2-2ab\ \cos\ B

b2=a2+c22ac cos Cb^2=a^2+c^2-2ac\ \cos\ C

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Find the length of PR by using Cosine Rule.

PR2=9.2+8.5(9.2)(8.5)cos 89°PR^2=9.2+8.5-\left(9.2\right)\left(8.5\right)\cos\ 89\degree

PR2=9.22+8.52(9.2)2(8.5)2cos 89°PR^2=9.2^2+8.5^2-\left(9.2\right)^2\left(8.5\right)^2\cos\ 89\degree

PR2=9.22+8.522(9.2)(8.5)cos 89°PR^2=9.2^2+8.5^2-2\left(9.2\right)\left(8.5\right)\cos\ 89\degree

PR2=9.22+8.52+2(9.2)(8.5)cos 89°PR^2=9.2^2+8.5^2+2\left(9.2\right)\left(8.5\right)\cos\ 89\degree

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Evaluate the length of PR.

4.04 cm

7.08 cm

12.42 cm

12.63 cm

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