Answer:
The shelf is not a right triangle
Step-by-step explanation:
Given
Required
Determine if it is a right triangle
To do this, we make use of Pythagoras theorem which implies that; the square of the longest side = the sum of the square of the two other sides.
So, we have:
Evaluate all squares
The above is not true because:
<em>Hence, the shelf is not a right triangle</em>