Question

Kaka yang baik tolong bantuan nya dong
Yang Uraian

Answer 1

No 37. b(4,2)
c.(2,1,5)
no 40. 10+20/2 ×13 =
30/2 × 13 =
15 × 13 = 195.
maaf kalo salah

Answer 2

39. 180 = 2x + 3x
180 = 5x
x = 180 : 5
x = 36

40. t^2 = 13^2-((20-10):2)^2
= 169 - ( 10 : 2 )^2
= 169 - 5^2
= 169 - 25
= 144
t = 12 cm
L = (10+20) x 12
———————
2
= 30 x 6
= 180 cm^2