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The two interior opposite angles of a triangle are 28° and 62°. Is the exterior angle equal to its adjacent interior angle here?

Class 7Exterior Angle PropertyTriangles
  • AYes, both are 90°
  • BNo, the exterior angle is larger
  • CNo, the interior angle is larger
  • DCannot be determined

Step-by-Step Solution

Exterior angle = 28° + 62° = 90°; adjacent interior angle = 180° − 90° = 90°. They are equal here — this happens only when the exterior angle is exactly 90°.
Answer: A) Yes, both are 90°

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