Angles
Triangles by Angles
Triangles by Sides
Area and Perimeter
Surprise Me!
100
How many types of triangles are there?
6
100
What are the sum of all angles in every triangle?
180
100
A triangle with no equal sides is classified as a __________ triangle.
Scalene
100
How do you find the perimeter of a triangle?
Add all the sides together.
100
Draw a picture of an equilateral triangle
*Ms. Lynch will evaluate*
200
A right angle is exactly ____ degrees.
90o
200
What kind of triangle is shown below?
(Acute, right, obtuse, or straight)
Obtuse
200
A triangle with 2 equal sides is classified as a(n) __________ triangle.
Isosceles Triangle
200
What is the formula for finding the area of a triangle?
Area of a triangle=(1/2) x base x height
200
What is the difference between an Equilateral Triangle and a Scalene Triangle?
An Equilateral Triangle has 3 equal sides.
A Scalene Triangle has 3 different sides.
300
A straight angle is __________ degrees.
180o
300
What is an acute triangle?
A triangle with 3 acute angles.
300
A triangle with 3 equal sides is classified as a(n) _____________ triangle.
Equilateral
300
What is the formula for finding the area of a triangle?
1/2 x base x height
300
What is the square root of 16?
Positive and negative 4
400
What is the definition of an acute angle?
An angle measuring less than 90 degrees.
400
A triangle has the following measurements: 95o, 75o, and 10o. Is this an acute, obtuse, or right triangle?
Obtuse triangle
400
A triangle with the following measurements would be described as what type of triangle? (Equilateral, Scalene, or Isosceles)
2 cm, 3 cm, 5 cm
Scalene
400
What is the area of a right triangle with a base of 4 cm and a height of 3 cm?
6 cm2
400
Draw the symbol to represent similarity
~
500
What is the definition of an obtuse angle?
An angle measuring more than 90 degrees.
500
A triangle has 3 angles: 90 degrees, 30 degrees, and 75 degrees.
What kind of triangle is it?
Not possible. Angles = 195
500
A triangle with the following measurements would be described as what type of triangle? (Equilateral, Scalene, or Isosceles)
5 meters, 5 meters, 2 meters
Isosceles
500
What is the area of a rectangle with a length of 12 cm and a width of 7 cm?
84 cm2
500
what is 2+2
4