A triangle contains angles measurements with a ratio of 3:5:7. Find the angle measurements

Since the sum of the angles of a triangle equal 180°, we have the following relational equation

3x + 5x + 7x = 180

15x = 180

15x | |

15 |

= |

180 |

15 |

x = 12

Angle 1 = 3 x 12 =

Angle 2 = 5 x 12 =

Angle 3 = 7 x 12 =