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In a square \(ABCD\), the diagonals meet at point O. The \(\Delta AOB\) is （ ）
A. Isosceles triangle.
B. Equilateral triangle.
C. Isosceles triangle but not right triangle.
D. Scalene right triangle.
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MathsClass 8

In a square \(ABCD\), the diagonals meet at point O. The \(\Delta AOB\) is （ ）
A. Isosceles triangle.
B. Equilateral triangle.
C. Isosceles triangle but not right triangle.
D. Scalene right triangle.

Answer

A
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Solution

Solution for In a square ABCD, the diagonals meet at point O. The Delta AOB is （ ）A. Isosceles triangle.B. Equilateral triangle.C. Isosceles triangle but not right triangle.D. Scalene right triangle.

The diagonal of a square bisects each other at \(90^{\circ}\).
\(\therefore AO=BO\).
Hence, \(\Delta AOB\) is a isosceles triangle.
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