Math Problem Statement

Find the measure of the missing angles (d, e, f) based on the given angles 46° and 103°.

Solution

This problem involves angles around a point. The sum of all angles around a point is always 360°. We are given two of the angles: 46° and 103°, and we need to find the angles labeled dd, ee, and ff.

Steps to Solve:

  1. Find ff:

    • ff is vertically opposite to the angle 103°.
    • Vertically opposite angles are equal, so: f=103f = 103^\circ
  2. Find dd:

    • dd is vertically opposite to the angle 46°.
    • Vertically opposite angles are also equal, so: d=46d = 46^\circ
  3. Find ee:

    • The sum of angles around the point is 360°.
    • We already know the values of three angles: 46°, 103°, and 103° (from ff).
    • The remaining angle ee can be found by subtracting the sum of the known angles from 360°: e=360(46+103+103)=360252=108e = 360^\circ - (46^\circ + 103^\circ + 103^\circ) = 360^\circ - 252^\circ = 108^\circ

Final Answers:

  • d=46d = 46^\circ
  • e=108e = 108^\circ
  • f=103f = 103^\circ

Let me know if you need more details or further clarifications!

Here are 5 related questions:

  1. What is the sum of all angles at a point?
  2. How do vertically opposite angles relate to each other?
  3. Can the sum of angles on a straight line be used to solve this?
  4. What is the complementary relationship between adjacent angles?
  5. How can we check if our calculated angles are correct?

Tip: Vertically opposite angles are always equal, which simplifies many geometric problems!

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Math Problem Analysis

Mathematical Concepts

Geometry
Angles around a point
Vertically opposite angles

Formulas

Sum of angles around a point = 360°

Theorems

Vertically opposite angles are equal
Sum of angles around a point

Suitable Grade Level

Grades 6-8