sebuah persegi panjang memiliki luas 168cm², apabila lebarnya adalah 7cm, tentukan diagonal persegi panjang tersebut!
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
panjang
L = p × l
168 = p × 7
p = 168 ÷ 7
p = 24 cm
diagonal persegi panjang
√p² + l²
= √24² + 7²
= √(24 × 24) + (7 × 7)
= √576 + 49
= √625
= 25 cm
L = P . L
168 = P . 7
168 = 7P
7P = 168
P = 168/7
P = 24/1
P = 24 CM
<<>>><<>><<>>
D :
= √24² + 7²
= √(24(24) + (7(7)
= √576 + 49
= √625
= √25²
= 25 CM