Triangles
A triangle with all equal sides
What is an Equilateral Triangle?
How is a rhombus different than a rectangle?
How is it similar?
A rhombus has to have 4 equal side lengths. A rectangle has to have 4 right angles. They are both parallelograms.
36 sq inches
What is the perimeter of a 5cm x 4cm rectangle?
A scalene triangle
What is a triangle with all different side lengths?
A square can belong to multiple categories, what category does it not belong to?
Trapezoid
What is the area of a square with a side length of 40in.
1,600 inches squared
What is the perimeter of a square with a side length of 30in.
120 inches
Can an obtuse triangle also be an isosceles triangle? Why?
Yes because it can have one angle greater than 90 degrees and still have two equal sides lengths.
Rectangle and square
A rectangular pool is being expanded so its new dimensions are 3 times the original dimensions. The original dimensions are 12ft x 5ft. What is the area of the new expanded pool?
540 sq. ft
When the dimensions of a rectangle are tripled, the perimeter of the new rectangle is ______ times the perimeter of the original rectangle.
Three
What are the characteristics of a right triangle?
A 90 degree angle
I have a parallelogram with four equal side lengths but not 90 degree angles. What shape do I have?
Rhombus
A square classroom is being expanded so its new dimensions are quadruple the original dimensions. The side length is 20 feet. What is the area of the new classroom?
6,400 sq ft.
A rectangle has a perimeter of 47 inches. If you double the dimensions, what is the perimeter of the new rectangle?
94 inches
Can an acute triangle also be an obtuse triangle?
No
What shape has opposite sides that are the same length?
All types of parallelograms.
When the dimensions of a rectangle are doubled, the area of the new rectangle is _____ times the area of the original rectangle
4
A rectangular pool is being expanded so the new dimensions are double the size of the original dimensions. The original dimensions are 13 meters x 12 meters. What is the perimeter of the expanded pool?
100 meters.