100 Parks, 5,000 Ideas: Where to Go, When to Go, What to See, What to Do

100 Parks, 5,000 Ideas: Where to Go, When to Go, What to See, What to Do

Matematika tinggi sebuah segitiga 74 cm.jika luasnya 1.332cm²,maka panjang alasnya adalah... ​

tinggi sebuah segitiga 74 cm.jika luasnya 1.332cm²,maka panjang alasnya adalah... ​

= L × 2 ÷ t

= 1.332 cm² × 2 ÷ 74 cm

= 2.664 cm² ÷ 74 cm

= 36 cm

AF࿐

Penyelesaian :

  • tinggi = 74 cm
  • luas = 1.332 cm²

[tex] \sf \: luas = \frac{1}{2} \times a \times t[/tex]

[tex] \sf \: 1.332= \frac{1}{2} \times a \times 74[/tex]

[tex] \sf \: 1.332 = 37 \times a[/tex]

[tex] \sf \: 1.332 = 37a[/tex]

[tex] \sf \: a = \frac{1.332}{37} [/tex]

[tex] \sf \: a = 36 \: cm[/tex]

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