Formulas and Definitions
Angles
Triangles
Area
100
b x h / 2
What is the formula of a triangle?
100
I am an angle that is greater than 90 degrees.
What is an obtuse angle?
100
All of my sides and angles are equal.
What is an equilateral triangle?
100
L x W
What is the area of a rectangle or square?
200
pie x D!
What is the circumference of a circle?
200
If you add two angles together and get 90 degrees, I am this.
What is a complementary angle
200
I have an angle of 78 degrees and another angle of 30 degrees. My last angle equals to....
What is 72 degrees?
200
My area is 10 cm squared. I am a triangle. Figure out my dimensions
What is base=4, height=5 / 2
300
pie x "r" squared Give an example using a diagram and dimensions.
What is the area of a circle?
300
I meet at the corner of line segment XY and AB.
What is vertex or intersection?
300
I have two equal sides and two 45 degree angles. Draw me! I am called a/an....
What is SEE STUDENT WHITE BOARDS. What is an isosceles triangle.
300
Rectangle: Length = 5 dm, Width = 3 dm Square: Length = 4 dm, width = 4 dm Name the shape. Find the area of this shape.
What is a rectangular prism? What is 92 dm squared.
400
area of a rectangle X number of rectangles + area of a square X number of squares equals..... Show me an example!
What is the the surface area of a rectangular prism?
400
We are lines that never meet. I have a another line that runs perpendicular to us. Draw and label us! We need names!
What is STUDENTS TO SHOW WORK
400
I have more than one 90 degree angle. True or false. Explain with a diagram.
What is false. Impossible to have two 90 degree angles because the two angles would equal to 180. A triangle is made up of 3 angles.
400
d=14 m. Think about what area uses "d" as a dimension. "d" does NOT stand for dimension! Find the area of this shape.
What is a circle with an area of 153.86 m squared
500
(b1 + b2 /2) x h Draw this shape, include dimensions and calculate the area!
What is the area of a trapezoid?
500
I cut an angle in half...exactly in half!
What is an angle bisector?
500
Draw a triangle with a base of 9 cm and angles of 80 degrees and 25 degrees. Name this type of triangle.
What is SEE STUDENT WORK. I am a scalene triangle.
500
Find the area of this shape: parallelogram Dimensions: Base = 4.5mm, Height = 12.8mm.
What is 57.6mm?
M
e
n
u