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ABC is a triangle where angle AE AND BD ARE BISECTORS OF angle A and angle B respectively. Now, AE and BD intersect at O forming 138 degrees. And a triangle ODE is formed. Angle ODE = 18 degrees and Angle OED = 24 degrees. If x+y= 42. FIND VALUE OF ‘x’ and ‘y’.

Kumar Sambhav , 6 Years ago
Grade 9
anser 1 Answers
Saurabh Koranglekar

To solve this problem, we need to analyze the triangle ODE formed by the intersection of the angle bisectors AE and BD at point O. Given that angle ODE is 18 degrees and angle OED is 24 degrees, we can start by determining the measure of angle DOE, which is the third angle in triangle ODE.

Finding Angle DOE

In any triangle, the sum of the interior angles equals 180 degrees. Therefore, we can find angle DOE by using the following equation:

  • Angle ODE + Angle OED + Angle DOE = 180 degrees

Substituting the known values:

  • 18 degrees + 24 degrees + Angle DOE = 180 degrees

Now, we combine the known angles:

  • 42 degrees + Angle DOE = 180 degrees

To find angle DOE, we subtract 42 degrees from 180 degrees:

  • Angle DOE = 180 degrees - 42 degrees = 138 degrees

Using the Given Relationship Between x and y

We are also informed that x + y = 42. To solve for the individual values of x and y, we need to create a relationship with the angles in triangle ODE. Since angle DOE is 138 degrees, we know that the other angles (ODE and OED) must relate back to x and y.

Setting Up the Equations

We can assign the following:

  • Let x = angle ODE (which is 18 degrees)
  • Let y = angle OED (which is 24 degrees)

Since we have x + y = 42, we can simply substitute the values:

  • x + y = 18 + 24 = 42

Finding the Individual Values

From our assignments, we can directly conclude:

  • x = 18 degrees
  • y = 24 degrees

Thus, the values of x and y are:

  • x = 18
  • y = 24

This solves the problem based on the relationships established from the angles and the triangle properties. If you have any further questions about this or related concepts, feel free to ask!

Last Activity: 6 Years ago
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