topic badge
CanadaON
Grade 9

5.03 Applications in right triangles

Interactive practice questions

The screen on a handheld device has dimensions $9$9 cm by $5$5 cm, and a diagonal of length $x$x cm.

What is the value of $x$x?

Round your answer to two decimal places.

Easy
2min

Brad’s car has run out of gas. He walks $24$24 km west and then $10$10 km south looking for a gas station.

If he is now $h$h km directly from his starting point, find the value of $h$h.

Easy
2min

David and Neville are playing football together. At one point in the game, they are near the same corner of the field. David is on the goal line, $11$11 m away from the corner, while Neville is on the side line, $17$17 m away from the corner.

If the straight line distance between the two players is $d$d m, find the value of $d$d, rounding your answer to two decimal places.

Easy
2min

A movie director wants to shoot a scene where the hero of the film fires a grappling hook from the roof of one building to the roof of another.

If the first building is $37$37 m tall, the other building is $54$54 m tall and the street between them is $10$10 m wide, what is the minimum length $l$l of rope needed for the grappling hook?

Round your answer to two decimal places.

Medium
3min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

9.E1.5

Solve problems involving the side-length relationship for right triangles in real-life situations, including problems that involve composite shapes.

What is Mathspace

About Mathspace