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Welcome!Mrs. GillenMath 2
Last Night’s Homework: Unit 8.2 WorksheetTonight’s Homework: Unit 8.3 Worksheet
Quiz: Friday!
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Warm Up1. Find the measures of 2. Solve for x:
the missing angles:
3. Determine if the 3 side lengths can make a triangle:
a) 2, 4.5, 7 b) 6, 3, 9
2x - 10 2x
30
8
4x
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Half Sheet Discovery
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Unit 8 Section 3:Special Right Triangles
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Special Right Triangles𝟒𝟓𝒐 − 𝟒𝟓𝒐 − 𝟗𝟎𝒐 𝝙
𝟒𝟓𝒐
𝟒𝟓𝒐
𝒂
𝒂
a 𝟐
𝑯𝒚𝒑𝒐𝒕𝒆𝒏𝒖𝒔𝒆 = 𝟐 • 𝒍𝒆𝒈
![Page 10: Welcome! [] · 30-60-90 Triangle Investigation Step 1: Find the length of the hypotenuse for each triangle below. Step 2: use the Pythagorean theorem to find the long leg of each](https://reader034.pdfslide.us/reader034/viewer/2022042621/5f5ebd553fb0125c0d0f8415/html5/thumbnails/10.jpg)
Special Right Triangles𝟑𝟎𝒐 − 𝟔𝟎𝒐 − 𝟗𝟎𝒐 𝝙𝟒𝟓𝒐 − 𝟒𝟓𝒐 − 𝟗𝟎𝒐 𝝙
𝟒𝟓𝒐
𝟒𝟓𝒐
𝟔𝟎𝒐
𝟑𝟎𝒐
𝒂
𝒂
a 𝟐𝒃
𝒃 𝟑
𝟐 𝒃
𝑯𝒚𝒑𝒐𝒕𝒆𝒏𝒖𝒔𝒆 = 𝟐 • 𝒍𝒆𝒈𝑯𝒚𝒑𝒐𝒕𝒆𝒏𝒖𝒔𝒆 = 𝟐 • 𝑺𝒉𝒐𝒓𝒕 𝒍𝒆𝒈
𝑳𝒐𝒏𝒈𝒆𝒓 𝑳𝒆𝒈 = 𝟑 • 𝑺𝒉𝒐𝒓𝒕 𝒍𝒆𝒈
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Solve for x
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