ceeceekennan98
ceeceekennan98 ceeceekennan98
  • 21-06-2020
  • Mathematics
contestada

Find the unknown side of the triangle below (round to the nearest tenth).

A. 18 cm
B. 22.9 cm
C. 26.9 cm
D. 21.2 cm

Please answer this

Find the unknown side of the triangle below round to the nearest tenth A 18 cm B 229 cm C 269 cm D 212 cm Please answer this class=

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TheAnimeGirl
TheAnimeGirl TheAnimeGirl
  • 21-06-2020

[tex]answer = 22.9 \: cm \\ solution \\ hypotenuse = 25 \: cm \\ perpendicular = x \\ base = 10 \: cm \\ now \\ using \: pythagorus \: theorem \\ {h}^{2} = {p}^{2} + {b}^{2} \\ or \: {p}^{2} = {h}^{2} - {b}^{2} \\ or \: {x}^{2} = {25}^{2} - {10}^{2} \\ or \: {x}^{2} = 625 - 100 \\ or \: {x}^{2} = 525 \\ or \: {x} = \sqrt{525} \\ or \: x = 22.9 \: cm \\ hope \: it \: helps[/tex]

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