VOCAB UNIT 4

AA SIMILARITY POSTULATE

SAS SIMILARITY THEOREM

• IF THE ANGLE OF A TRIANGLE IS CONGRUENT TO
• the corresponding angle of another triangle and
• the sides that include the triangle are proportional.

SSS SIMILARITY THEOREM

• Two triangles with corresponding sides
• with identical rations are similar.

PYTHAGOREAN THEOREM

• "The area of the square built upon the hypotenuse of a right triangle is
• equal to the sum of the areas of the squares upon the remaining sides."
• Triangles that form a right angle.

45-45-90 TRIANGLE

30-60-90 TRIANGLE

TANGENT

SINE

COSINE

ANGLE OF ELEVATION

ANGLE OF DEPRESSION