Question
Download Solution PDFIn a triangle ABC, the three angles are x, y and y + 10°. Also, 2x - 4y = 20°. Which type of triangle is ABC?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
In a triangle ABC, the three angles are x, y and y + 10°. Also, 2x - 4y = 20°.
Concept used:
The sum of all sides of a triangle is 180°
Calculation:
x + y +y + 10° = 180°
⇒ x + 2y = 170° ...... (1)
Again, 2x - 4y = 20°......... (2)
From 1 and 2 we get,
x = 340 + 20 /4
⇒ x = 90°
So it is a right angle triangle.
∴ The correct option is 4
Last updated on Jun 13, 2025
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