A right-angled triangle has hypotenuse cm and one other side cm. Find the third side in cm.
Answer and explanation
Correct answer: B. 63
- Step 1: .
- Step 2: .
Answer
63.
Why not the others: 27: it subtracts the lengths instead of using squares. 147: it adds the given sides.
Practise more Measures, Shape and Space.
Free questions with an explanation for every one, and full timed Leaving Cert Ireland mock tests.
More Measures, Shape and Space questions
- A cylinder has base radius cm and height cm. Find its volume in cm.
- A right-angled triangle has hypotenuse cm and one other side cm. Find the third side in cm.
- In a right-angled triangle the two perpendicular sides are cm and cm. Find the length of the hypotenuse in cm.
- Find the distance between and .
- Find the slope of the line through and .
- Find the midpoint of and .