Warm Up: Find the circumference of the circle. Round to nearest hundredth 1. r = 3.4 m 2. d = 9 cm Find the area of the figures. 3. Circle with.

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Presentation transcript:

Warm Up: Find the circumference of the circle. Round to nearest hundredth 1. r = 3.4 m 2. d = 9 cm Find the area of the figures. 3. Circle with diameter = 6 cm 4. Triangle with base = 4 in and height = 5 in 21.35 m 28.26 cm 28.26 cm2 10 in2

Lesson 4.3: Area I can: Find the area of a circle, triangle, square, and quadrilaterals using their formulas. Vocabulary: Length Width

Area of a Square

Find the Area You are given the side length of 4. 4

Find the Area 6 2

Length A dimension of a figure, usually the longer one, that is measured from end to end. Length

Width A dimension of a figure, usually the shorter one, that is measured from side to side. Width

Area of a Rectangle Width Length

Find the Area 7 12

Find the Area 15 2.4 3 8.3

Area of a Parallelogram height base

Find the Area 5 8

Find the Area 5 9 15 6 4 1 2 12

Area of a Rhombus height base

Find the Area 5.2 6

Find the Area 3.1 ft 7.4 m 4 ft 8 m 13.7 km 15 km

Area of a Trapezoid b1 h b2

Find the Area 3 3 4

Find the Area 2 4 1 4 5 3