25-04-2021
Mathematics

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(a)whats is the value of x

(b) what is the measure of angle B

awhats is the value of x b what is the measure of angle B class=

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siya90258 siya90258

26-04-2021

[tex]cdb = 8 \\ x = 4 \\ by \: pythagoras \: theorem \\ 8 {}^{2} = 4 {}^{2} + x{}^{2} \\ 64 = 16 + x {}^{2} \\ 64 - 16 = x {}^{2} \\ 48 = x{}^{2} \\ \sqrt{48 } = x\\ angle \: b = 60 \\ angle \: of \: equilateral \: triangle \: equal \: 60[/tex]

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