Topics
8. Right Triangles & Trigonometry
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United States of AmericaFL
Grade 912

8.01 Right triangles and the Pythagorean theorem

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Calculate the value of $c$c in the triangle below.

A right-angled triangle with a right angle shown at the bottom right corner. The base is labeled as 14 cm, the height on the right side is labeled as 48 cm, and the hypotenuse is labeled with c cm. There is a small square at the right angle indicating the 90-degree angle.

Easy
1min

Calculate the value of $b$b in the triangle below.

Easy
1min

Find the length of the hypotenuse, $c$c in this triangle.

Easy
< 1min

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
1min
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Outcomes

MA.912.GR.1.3

Prove relationships and theorems about triangles. Solve mathematical and real-world problems involving postulates, relationships and theorems of triangles.

MA.912.LT.4.8

Construct proofs, including proofs by contradiction.

MA.912.LT.4.10

Judge the validity of arguments and give counterexamples to disprove statements.

MA.912.T.1.2

Solve mathematical and real-world problems involving right triangles using trigonometric ratios and the Pythagorean Theorem.

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