Відповідь:
Пояснення:
1)
АВ = [tex]\sqrt{12^{2} + 5^{2} }[/tex] = 13
ВС = [tex]\sqrt{16^{2} + 12^{2} }[/tex] = 20
p = [tex]\frac{AB+AC+BC}{2}[/tex] = [tex]\frac{13 + 21 + 20}{2}[/tex] = 27
S = 1/2 AC*BD = 1/2 * 21*12 = 126
R = [tex]\frac{AB * AC * BC}{4*S}[/tex] =[tex]\frac{13*21*20}{4*126} }[/tex] = 10*(5/6)
r = [tex]\sqrt{\frac{(p-AB)*(p-AC)*(p-BC)}{p} }[/tex] = [tex]\sqrt{\frac{14*6*7}{27} }[/tex]= 4*(2/3)
2)
AB = 17
BC = 25
p = 35
R = 14*(1/6)
r = 6
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Відповідь:
Пояснення:
1)
АВ = [tex]\sqrt{12^{2} + 5^{2} }[/tex] = 13
ВС = [tex]\sqrt{16^{2} + 12^{2} }[/tex] = 20
p = [tex]\frac{AB+AC+BC}{2}[/tex] = [tex]\frac{13 + 21 + 20}{2}[/tex] = 27
S = 1/2 AC*BD = 1/2 * 21*12 = 126
R = [tex]\frac{AB * AC * BC}{4*S}[/tex] =[tex]\frac{13*21*20}{4*126} }[/tex] = 10*(5/6)
r = [tex]\sqrt{\frac{(p-AB)*(p-AC)*(p-BC)}{p} }[/tex] = [tex]\sqrt{\frac{14*6*7}{27} }[/tex]= 4*(2/3)
2)
AB = 17
BC = 25
p = 35
R = 14*(1/6)
r = 6