" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
18. PQ = √PT² - QT²
= √29² - 21²
= √841 - 441
= √400
= 20 cm
QR = 28 cm - 20 cm = 8 cm
SR = √QR² + QS²
= √8² + 15²
= √64 + 225
= √289
= 17 cm (D)
19. Panjang sisi = √12² + 9²
= √144 + 81
= √√225 = 15 m
K = 4 x 15 m = 60 m
Banyak pohon = 60 : 3 = 20 pohon (C)
20. D