Math Problem Statement

find x

Find the value of x, where x is the central angle subtended by an arc in a circle. Given that the inscribed angle subtending the same arc is 35°.

Solution

The problem shows a circle with a central point OO. There are points UU, SS, and PP on the circumference, and the angle USP=35\angle USP = 35^\circ is inscribed in the circle. The goal is to find the angle xx, which is UOP\angle UOP, the central angle subtended by the arc UPUP.

Solution:

In a circle, the central angle is twice the inscribed angle that subtends the same arc. This is a known property of circles.

Given:

  • Inscribed angle USP=35\angle USP = 35^\circ

We need to find:

  • Central angle x=UOPx = \angle UOP

Using the property: x=2×USP=2×35=70x = 2 \times \angle USP = 2 \times 35^\circ = 70^\circ

Answer:

The value of xx is 7070^\circ.

Would you like further details or have any questions?

Follow-up Questions:

  1. What is the relationship between a central angle and an inscribed angle subtended by the same arc in a circle?
  2. How would you find the length of the arc subtended by a central angle?
  3. Can an inscribed angle be larger than its corresponding central angle?
  4. How would the result change if USP\angle USP were given as 4040^\circ?
  5. What is the formula for finding the area of a sector based on the central angle?

Tip: Always remember that the central angle of a circle is twice the inscribed angle that subtends the same arc.

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Math Problem Analysis

Mathematical Concepts

Geometry
Circle Theorems
Angles

Formulas

Central angle = 2 * Inscribed angle

Theorems

The central angle theorem: The central angle subtended by an arc is twice any inscribed angle subtended by the same arc.

Suitable Grade Level

Grades 8-10