Kakk tolonginn plizz

Kakk tolonginn plizz

23.

∠DAE=∠DOE/2=70°/2=35°

∠DAE=∠DBE=∠DCE=35°

∠DAE+∠DBE+∠DCE=35°×3=105° (B)

24.

$d = sqrt{s - (r1 + r2)}$

d=garis persekutuan dalam

s=jarak antara kedua pusat lingkaran

r1=jari-jari lingkaran pertama

r2=jari-jari lingkaran kedua

$21 = sqrt{ {29}^{2} - {(x - 12)}^{2} } \21 = sqrt{ {29}^{2} - {(x - 12)}^{2} } \ {21}^{2} = {29}^{2} - {(x - 12)}^{2} \ 441 = 841 - {(x - 12)}^{2} \ 441 + {(x - 12)}^{2} = 841 \ {(x- 12)}^{2} = 841 - 441 \ {(x - 12)}^{2} = 400 \ sqrt{{(x - 12)}^{2}} = sqrt{400} \ x - 12 = 20 \ x = 20 + 12 = 32 : cm$

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