*Area of Triangles, Classify Triangles & Quadrilaterals, 10.1. Area of Parallelograms, Area of Triangle, Rectangles, and Parallelograms

Quadrilateral

A polygon with FOUR sides.

80 square kilometers

Find the area of the triangle.

base = 10m, height = 3m

Find the base and the height of this parallelogram.

Acute-Isosceles

Give one angle classification and one side classification for the given triangle.

Acute-Scalene

Give one angle classification and one side classification for the given triangle.

You add up all of the sides

How do you find the perimeter of a parallelogram?

500 square yards

Find the area of the parallelogram.

6 x 2 = 12 square units

Find the area of the parallelogram.

99 square inches

Find the area of the parallelogram.

1,125 square centimeters

Find the area of the triangle.

1,620 square inches

Find the area of the triangle.

105 square meters

Find the area of the triangle.

132 square meters

Find the area of the triangle.

175 square centimeters

Find the area of the triangle.

189 square millimeters

Find the area of the triangle.

225 square feet

Find the area of the triangle.

28 square centimeters

Find the area of the triangle.

35 square centimeters

Find the area of the triangle.

78 square meters

Find the area of the triangle.

47 cm

Find the perimeter of the following paralellogram if (A-B=11cm) (B-C=13cm) (C-D=11cm) and (A-D=12cm)

Obtuse-Isosceles

Give one angle classification and one side classification for the given triangle.

Obtuse-Scalene

Give one angle classification and one side classification for the given triangle.

Right-Isosceles

Give one angle classification and one side classification for the given triangle.

Right-Scalene

Give one angle classification and one side classification for the given triangle.

Yes, area divided by the length will give you the width.

If you are given the area rectangle and only the length, can you find the width?

Parallel Lines

Lines that never cross and stay the same distance apart.

49 sq. ft.

Square garden with the side-length of 7ft.. What is the area?

28 ft

Square garden with the side-length of 7ft.. What is the perimeter?

150 sq. ft.

Triangular garden base = 15 feet height = 20 feet

68 sq. ft.

Two of the exact same triangles have an area of 34 sq. ft. EACH. What is the total area?

Area = base x height or A = b x h

What is the formula for finding the area of a parallelogram?

80 sq. ft.

four triangular gardens base of one garden = 8 ft. height of one garden = 5 ft.

30.25 sq. ft.

square fireplace pit 5.5 ft. on each side

400 sq. ft.

square patio 20 feet per side

40 sq. ft.

triangular deck base = 10 feet height = 8 feet

448 sq. ft.

triangular pool base = 32 feet height = 28 feet

5,616 sq. ft.

two tennis courts length = 78 ft. width = 36 ft.

4840 square yards

You live on a triangular piece of land with a base of 121 yards and a height of 80 yards. What is the area of your yard?

16 square feet

Your neighbor adds a triangular section to his driveway with a base of 4 feet and a height of 8 feet. What is the area of the new section of driveway?

360 sq. ft.

pool length = 30 feet width = 12 feet

parallelogram

A _____________ is a four sided polygon with two sets of parallel lines.

Polygon

A closed-planed figure made up of line segments.

Rhombus

A parallelogram with all sides the same length.

Rectangle

A parallelogram with four right angles.

Regular Polygon

A polygon that is equiangular and equilateral.

Trapezoid

A quadrilateral that has exactly one pair of parallel sides.

Parallelogram

A quadrilateral with both pairs of opposite sides parallel and equal in length.

Square

A rectangle with all sides the same length and 4 90 degree angles.

Scalene Triangle

A triangle with NO congruent sides

Obtuse Triangle

A triangle with ONE obtuse angle

Right Triangle

A triangle with ONE right angle

Acute Triangle

A triangle with THREE acute angles

Equilateral Triangle

A triangle with THREE congruent sides.

Isosceles Triangle

A triangle with at least TWO congruent sides

9 square miles

A wildlife conservation group buys a plot of land. How much land does it buy?

Right Angle

An angle whose measure is 90°.

base times height

Area of Parallelogram Formula

base times height divided by two

Area of Triangle Formula

38.5 sq. ft.

Area of a parallelogram with a base of 7ft and height of 5.5ft

16 ft

BASE of a Triangle with a height of 10ft and an AREA of 80 sq. ft.

187 square kilometers

Find the area of the parallelogram.

243 square inches

Find the area of the parallelogram.

3 x 8 = 24 square units

Find the area of the parallelogram.

3,750 square centimeters

Find the area of the parallelogram.