Penjelasan dengan langkah-langkah:
1
a. AD = AB = 12 cm
b. Lj = 45/360 x 3,14 x (20/2)²
= ⅛ x 314
= 39,25 cm²
c. L.Tembereng = 10²/2 - Lj
= 50 - 39,25
= 10,75 cm²
2.
a. AP = √(37² - 12²) = √(37-12)(37+12)
AP = √(25)(49)
AP = 5(7) = 35 cm
b. Luas layang² = 12 x 35 = 420 cm²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Penjelasan dengan langkah-langkah:
1
a. AD = AB = 12 cm
b. Lj = 45/360 x 3,14 x (20/2)²
= ⅛ x 314
= 39,25 cm²
c. L.Tembereng = 10²/2 - Lj
= 50 - 39,25
= 10,75 cm²
2.
a. AP = √(37² - 12²) = √(37-12)(37+12)
AP = √(25)(49)
AP = 5(7) = 35 cm
b. Luas layang² = 12 x 35 = 420 cm²