State which of the following statements are true and which are false :
In a right angled triangle, the sum of two acute angles is $90 °$

True

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False

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Solution

The correct option is A True
Since one angle in a right angled triangle is of $90 °$ and the sum of all the angles is $180 °$ , so the sum of the remaining angles will be $90 °$ and they must be acute.
Hence the statement is true.

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State which of the following statements are true and which are false :In a right angled triangle, the sum of two acute angles is 90°

The correct option is A TrueSince one angle in a right angled triangle is of 90° and the sum of all the angles is 180°, so the sum of the remaining angles will be 90° and they must be acute.Hence the statement is true.

State which of the following statements are true and which are false :
In a right angled triangle, the sum of two acute angles is $90 °$

The correct option is A True
Since one angle in a right angled triangle is of $90 °$ and the sum of all the angles is $180 °$ , so the sum of the remaining angles will be $90 °$ and they must be acute.
Hence the statement is true.