Tolong bantu dong nomer 9 dan 10​

9) Gambar trapesium siku-siku

7cm

D ———– C

| 5 cm

4 |

|________

A 10 cm B

AC^2 = AD^2 + DC^2

AC^2 = 4^2 + 7^2

AC^2 = 16+49

AC^2 = 65

AC = akar 65

BD^2 = AB^2 + AD^2

BD^2 = 10^2 + 4^2

BD^2 = 116

BD = akar 116 = 2.akar 29

Maaf no.10 kurang tau