Tolong ya ka…saya mohon bantuannya.hari senin di kumpulkan. ​

Jawaban:

1. Diket = a = 16 cm

t = 18 cm

Ditanya = L∆

Jawab = L∆ = 1/2a.t

= 1/2.16.18

= 144

2. a. Diket = a = 6 cm dan t = 8 cm

Ditanya = L

Jawab = L = 1/2a.t

= 1/2.6.8 = 24

b. Diket = a = 14 cm dan t = 7 cm

Ditanya = L

Jawab = L = 1/2 a.t

= 1/2. 14.7 = 49

c. Diket = a = 8 cm dan t = 6 cm

Ditanya = L

Jawab.= L = 1/2 a.t

= 1/2. 8. 6 = 24

3. Diket = L = 135 dan a = 18 cm

Ditanya = t

Jawab = L = 1/2 .a.t

135= 1/2 . 18t

135 = 9t

t = 135 / 9

t = 15