Triangles
A triangular flag has a base of 8 meters and a height of 5 meters. What is the area of the flag?
10
What is the formula for a square or rectangle?
A= length x width
What is the formula for a triangle?
A= Base * Height * 1/2
A rectangular gift box measures 4 cm in length, 3 cm in width, and 2 cm in height. What is the surface area of the box?
52 cm3 or 52 cubic cm
How many bases does a pyramid have?
1 Base
A slice of pizza is in the shape of a triangle with a base of 10 cm and a height of 12 cm. What is the area of the pizza slice?
60 cm2 or 60 squared cm
What does it mean to break ann irregular figure apart?
Decompose
If you are given a triangle on the graph without units, how do you identify the height on a graph?
Count the number of boxes from the base to the height
An aquarium is 60 cm long, 30 cm wide, and 40 cm high. What is the total surface area of the aquarium?
10800 cm2
A pyramid has a square base with sides of 6 meters and a height of 8 meters. What is the surface area of the pyramid?
132 meters2
A triangular mountain has a base of 10 km and a height of 15 km. What is the area of the mountain?
75 km2 or 75 squared km
An irregularly shaped park can be divided into a rectangle (10 m x 5 m) and a triangle (base 6 m, height 4 m). What is the total area of the park?
Area of rectangle = 10 * 5 = 50 m²; Area of triangle = 1/2 * 6 * 4 = 12 m²; Total area = 50 + 12 = 62 m².
The height is always ____ from the base.
Perpendicular
How many bases does a prism have?
2 bases (Top Base and Bottom Base)
A pyramid-shaped gift box has a triangular base with a base of 10 cm and a height of 12 cm. Each triangular face has a height of 8 cm. What is the total surface area of the gift box?
180 cm².
An artist is creating a triangular canvas with a base of 12 inches and a height of 9 inches. What is the area of the canvas?
54 in2
A café has a patio shaped like a rectangle (12 m x 8 m) with a triangular area at one end (base 8 m, height 5 m). What is the total area of the patio?
Area of rectangle = 12 * 8 = 96 m²; Area of triangle = 1/2 * base * height = 1/2 * 8 * 5 = 20 m²; Total area = 96 + 20 = 116 m².
Parallel Lines (opposite sides) in rectangles and squares are _______.
Equal.
P1: How many faces does a cube have?
P2: If the side length of a cube is 4cm, what does this mean?
1) 4 faces and 2 bases
2) Foe each face the length and width would be 4cm.
What is the term for the meeting point of the triangular faces in a pyramid?
Apex
A triangular garden has a base of 7 meters and a height of 4 meters. What is the area of the garden?
14 meter2
A garden is shaped like an L, made up of two rectangles: one measuring 5 m x 10 m and another measuring 3 m x 6 m. What is the total area of the garden?
Area of first rectangle = 5 * 10 = 50 m²; Area of second rectangle = 3 * 6 = 18 m²; Total area = 50 + 18 = 68 m².
Perpendicular Lines help us identify what?
Base and Height
What is the name of a 2-dimensional pattern of a 3-dimensional figure?
Net
A sandcastle in the shape of a triangular pyramid has a triangular base with sides of 3 meters and a height of 6 meters. What is the surface area of the sandcastle?
36 meter 2