Finding Missing Sides - Grade 9 Geometry
A Grade 9 math worksheet focusing on finding missing sides in right-angled triangles using the Pythagorean theorem and basic trigonometry.
Includes
Standards
Topics
Finding Missing Sides - Grade 9 Geometry
Name:
Date:
Score:
Read each question carefully and follow the instructions. Show all your work for full credit. Round your answers to two decimal places where necessary.
Use the Pythagorean theorem to find the missing side in each right-angled triangle.
1. Find x.
2. Find x.
Use trigonometry (Sine, Cosine, or Tangent) to find the missing side. Round your answers to two decimal places.
3. Find x.
4. Find x.
5. Find x.
Solve the following word problems. Draw a diagram for each problem to help you visualize the situation.
6. A ladder 15 feet long is leaning against a wall. The base of the ladder is 9 feet from the wall. How high up the wall does the ladder reach?
7. A kite is flying at an angle of elevation of 40 degrees. The string is 75 meters long. How high is the kite above the ground?
Related Worksheets
Arcs and Sectors Geometry Worksheet
A Grade 9 math worksheet focusing on calculating arc length, sector area, and related properties of circles.
Area of an Annulus Worksheet
Calculate the area of an annulus using given radii for Grade 9 geometry students.
Lateral Area Practice Worksheet
A Grade 9 math worksheet focusing on calculating the lateral surface area of various 3D geometric shapes including prisms, cylinders, pyramids, and cones.
Altitude of a Triangle Worksheet
Explore the concept of altitude in triangles, including definitions, properties, and construction methods, suitable for Grade 9 geometry students.
Altitude of a Triangle Worksheet
Explore the concept of altitude in triangles, including definitions, properties, and construction methods, suitable for Grade 9 geometry students.
Segment Length Practice
Practice worksheet for calculating segment lengths on number lines and coordinate planes, including midpoints and distances.
Exterior Angle of a Triangle Worksheet
Explore the properties of exterior angles of triangles with this Grade 9 math worksheet, featuring various problem types.
Grade 9 Math: Coordinate Proofs
This worksheet focuses on coordinate proofs, including proving geometric properties on a coordinate plane, calculating distances, midpoints, and slopes.