# In a right-angled triangle, one of the acute angles is 48 degrees. What is the other acute angle.

January 17, 2021 | education

| An acute angle of 48 ° is known in a right-angled triangle.

Since a triangle is a rectangle, the second angle is 90 °.

The sum of all the angles of a triangle is 180 °.

Find the third sharp corner.

180 ° – 90 ° – 48 ° = 90 ° – 48 ° = 90 ° – 40 ° – 8 ° = 50 ° – 8 ° = 42 °.

This means that the second acute angle is 42 °.

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