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Geometry Warm up.

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Presentation on theme: "Geometry Warm up."β€” Presentation transcript:

1 Geometry Warm up

2 10-2 Area of trapezoids, rhombuses, and kites

3 Quick Review-- What’s Pythag. Thm? a2 + b2 = c2
multiply or divide by 2 𝐿→𝐡 π‘‘π‘–π‘šπ‘’π‘  𝑏𝑦 𝑑𝑖𝑣𝑖𝑑𝑒 𝐡→𝐿 𝐿→𝐻 π‘‘π‘–π‘šπ‘’π‘  𝑏𝑦 2 𝑑𝑖𝑣𝑖𝑑𝑒 𝐻→𝐿

4 Area of a Trapezoid The height of a trapezoid is the perpendicular distance between the bases. You can find the area of a trap when you know the height and lengths of its bases.

5 Problem 1 What is the area of Nevada?

6 TOO  (answer is a decimal)
What is the area of a trapezoid with height 7cm and bases 12 cm and 15 cm?

7 Problem 2 What is the area of trapezoid PQRS? DROP A 90!!!!!!

8 TWAP Find the area of the Trapezoid. 12 3√3 30° 9 12 9 30° 30

9 Area of Rhombus or a Kite
You can find the area of a rhombus or a kite when you know the lengths of its diagonals. Kites and Rhombi have Perpendicular diags!!

10 Problem 3 What is the area of kite KLMN?

11 TOO  What is the area of a kite with diagonals that are 12 in. and 9 in. long?

12 Problem 4 Find the area of the Rhombus
5 4 A = 24 5 5 5

13 TOO

14 Homework Pg. 626 # 11 – 26 all


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