Question

Asked Aug 31, 2019

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Find, correct to the nearest degree, the three angles of the triangle with the given vertices.

∠RPQ = |
° |

∠PQR = |
° |

∠QRP = |
° |

Step 1

To find the three angles of the triangle formed with the vertices P(3,0), Q(0,2), R(5,5).

Obtain the length of the sides of the triangle PQR using the distance formula as follows.

Step 2

Find the angles using cosine rule as follows. Obtain the value of angle *P* as given below.

Step 3

Obtain the value of angle *Q* ...

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