19. Keliling bangun datar=10+14+8+8+8+14+6
=68 cm.
20. diketahui
diagonal 1=24 cm
diagonal 2=11+11=22 cm
luas bangun yang tidak diarsir=luas belah ketupat
=1/2 × d1 (diagonal 1) x d2 (diagonal 2)
=1/2 × 24 × 22
= 264 cm2.
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
L=1/2×d×d
=1/2×8,4×8,4=221,76 cm (a)
19. Keliling bangun datar=10+14+8+8+8+14+6
=68 cm.
20. diketahui
diagonal 1=24 cm
diagonal 2=11+11=22 cm
luas bangun yang tidak diarsir=luas belah ketupat
=1/2 × d1 (diagonal 1) x d2 (diagonal 2)
=1/2 × 24 × 22
= 264 cm2.