Special right triangles

45-45-90 and 30-60-90 side ratios, used to get exact answers without a calculator.

Standards:G-SRT.C.8

Try it: three questions

Real questions from the practice bank. Tap an answer to check it.

Question 1 of 3

In a 45-45-90 triangle, the length of each leg is 7 cm. What is the length of the hypotenuse?

Question 2 of 3

In a 45-45-90 triangle, the legs each measure 7 cm. What is the length of the hypotenuse?

Question 3 of 3

In a 45-45-90 triangle, the length of one leg is 7 cm. What is the length of the hypotenuse?

How this fits in

Special right triangles is one skill in the Trigonometry unit. Students read the unit lesson, then earn a bronze, silver, or gold medal on their last 10 answers. Medals never go down. A mastered unit comes back for review after 1, 3, 7, 16, and 35 days so it stays learned.

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