Similar Figures and Right Triangle Trig

Front

What are similar figures?

Back

Similar figures are shapes that have the same shape but may differ in size. Their corresponding angles are equal, and the lengths of corresponding sides are proportional.

Front

What is the Pythagorean theorem?

Back

Front

What is the sine function in a right triangle?

Back

Front

What is the cosine function in a right triangle?

Back

Front

What is the tangent function in a right triangle?

Back

Front

How do you find the length of the diagonal in a rectangle?

Back

Front

What is the relationship between similar triangles?

Back

In similar triangles, corresponding angles are equal, and the ratios of the lengths of corresponding sides are equal.

Front

How do you solve for a missing side in similar triangles?

Back

To solve for a missing side in similar triangles, set up a proportion using the lengths of corresponding sides and solve for the unknown.

Front

What is the formula for the area of a triangle?

Back

Front

What is the significance of SOH CAH TOA?

Back

SOH CAH TOA is a mnemonic for remembering the definitions of sine, cosine, and tangent in right triangles: SOH = Sine = Opposite/Hypotenuse, CAH = Cosine = Adjacent/Hypotenuse, TOA = Tangent = Opposite/Adjacent.