Question

Please help me no.8 dan 9 pakai. cara!o

Answer 1

8. a. l. segitiga siku2 = 1/2 x 8 x 15 = 1/2 x 120 = 60 cm²
   b. v = l.alas x tinggi = 60 x18 = 1080 cm³


9. a. l. segitiga siku2 = 1/2 x 18 x 24 = 1/2 x 432 = 216 cm²
     b. v = 1/3 x l.alas x tinggi = 1/3 x 216 x 25= 1800 cm³