Math Problem Statement

Find the values of x and y in the given triangle.

Solution

To solve for xx and yy in this triangle, let's analyze each angle step by step.

  1. Identify the known angles:

    • There is a right angle, meaning one angle is 9090^\circ.
    • The angle labeled 2525^\circ at the top.
    • The angle labeled 2020^\circ at the bottom right.
  2. Calculate angle xx:

    • Since xx and 2525^\circ are complementary with the right angle below, we have: x=9025=65x = 90^\circ - 25^\circ = 65^\circ
  3. Calculate angle yy:

    • In the large triangle, the sum of the angles must be 180180^\circ.
    • We already know two angles: 9090^\circ (the right angle) and 2020^\circ.
    • Thus, y=1809020=70y = 180^\circ - 90^\circ - 20^\circ = 70^\circ

Therefore:

  • x=65x = 65^\circ
  • y=70y = 70^\circ

Would you like further explanation or have any other questions?


Related Questions:

  1. How would the solution change if the given angles were different?
  2. Can we apply these angle-sum rules to any triangle configuration?
  3. How does understanding complementary angles help in such problems?
  4. What are other common relationships between angles in right triangles?
  5. How can trigonometric functions be used to find unknown sides in this triangle?

Tip:

Always double-check the sum of angles in a triangle to ensure they add up to 180180^\circ, especially when working with right triangles.

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Math Problem Analysis

Mathematical Concepts

Geometry
Angle Relationships
Triangle Sum Theorem

Formulas

Sum of angles in a triangle = 180°
Complementary angles add up to 90°

Theorems

Triangle Sum Theorem

Suitable Grade Level

Grades 7-9