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Transcript
Drill 1) 2) 3) Benjamin put 2 blue marbles, 7 red and 1 brown, in a bag and shook the bag. If he reaches in and chooses a marble without looking, what is the probability that he chooses a red marble? If he gives the red marble to a friend and then picks again, what is the probability he will pick a brown marble? The basketball team’s point-per-game average is 88 after its first four games. How many points does the team need to score during its 5th game to have a points-per-game average of 90? 4.) Determine the area: TRIANGLES CLASSIFICATIONS, ANGLES AND MORE!! Different Types of Triangles There are several different types of triangles. You can classify a triangle by its sides and its angles. There are THREE different classifications for triangles based on their sides. There are THREE different classifications for triangles based on their angles. Classifying Triangles by Their Sides EQUILATERAL – 3 congruent sides ISOSCELES – at least two sides congruent EQUILATERAL ISOSCELES SCALENE – no sides congruent SCALENE Classifying Triangles by Their Angles ACUTE – all angles are acute RIGHT – one right angle ACUTE RIGHT OBTUSE – one obtuse angle OBTUSE Can You Classify the Different Triangles in the Picture Below? Classify the following triangles: AED, ABC, ACD, ACE The Classifications… Triangle AED = Equilateral, Equiangular Triangle ABC = Equilateral, Equiangular Triangle ACD = Isoceles, Obtuse Triangle ACE = Scalene, Right So how did you do? Word Problems Two sides of a triangle measure 5 and 7 inches and the perimeter is 17 in. What type of triangle is it? A triangle is isosceles. The perimeter is 14 cm. and the longest side is 6 cm. What are the lengths of the other 2, shorter sides? All 3 sides of triangle FGH are congruent. What are the angle measures of angle F, G and H? Order the sides of the triangle from shortest to longest. B A C Which sides of the triangle are the same length?