Jawaban:
8. a. k = 2p + 2l
2.20 + 2.16
40+32
72 cm
b. L= a×t
20×14
280 cm²
2. 1. k= s+s+s+s
20+26+30+24
100 cm
2. L= ½(a+b)t
½(20+30)24
½(50)24
600 cm²
3. a. bd = 18 be=18:2=9
ac=24 ae=24:2=12
c²=a²+b²
c²=9²+12²
c²=81+144
c²=225
c=15 cm
b. k = 4s
4.15
60cm
c. L=½d1×d2
½.18.24
216cm²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
8. a. k = 2p + 2l
2.20 + 2.16
40+32
72 cm
b. L= a×t
20×14
280 cm²
2. 1. k= s+s+s+s
20+26+30+24
100 cm
2. L= ½(a+b)t
½(20+30)24
½(50)24
600 cm²
3. a. bd = 18 be=18:2=9
ac=24 ae=24:2=12
c²=a²+b²
c²=9²+12²
c²=81+144
c²=225
c=15 cm
b. k = 4s
4.15
60cm
c. L=½d1×d2
½.18.24
216cm²