8.1: Geometric Mean Day 2.

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Presentation transcript:

8.1: Geometric Mean Day 2

Warm-Up 1. Find the geometric mean between 9 and 13.

8.1: Geometric Mean Day 2

Batman & Robin always start at the right angle of the LARGE triangle! 𝑥 2 =2*8 𝑥 2 =16 𝑥=4 x 2 6 They are going to save 3 people….along the hypotenuse!

8 2 =x*10 64=10𝑥 64 10 =𝑥 32 5 =𝑥 8 x 10

𝑦 2 =3*6 𝑦= 18 𝑦= 9∗2 𝑦=3 2 y 3 9

CD = 12, AD = 16, Find DB. 12 2 = 16*x 144=16𝑥 144 16 =𝑥 9=𝑥

AC = 40, AD = 32, Find AB. 40 2 = 32*x 1600=32𝑥 1600 32 =𝑥 50=𝑥

8*x 8*(8+x) 14 2 = 14 2 = 196=8𝑥 196=64+8𝑥 CB = 14, DB= 8, Find AD. 196 8 =𝑥 196=64+8𝑥 49 2 =𝑥 132=8𝑥 132 8 =𝑥 AD= 49 2 -8 33 2 =x AD= 33 2

Practice 8.1 Worksheet