r=10cm
Luas juring
L=90/360×πr²
L=1/4×3,14×10²
L=1/4×314
L=78,5cm²
.
Luas segitiga
L=½×10×10
L=50cm²
Luas tembereng
78,5cm²-50cm²
=28,5cm²(c.)
Semoga bermanfaat
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
Penyelesaian
r=10cm
Luas juring
L=90/360×πr²
L=1/4×3,14×10²
L=1/4×314
L=78,5cm²
.
Luas segitiga
L=½×10×10
L=50cm²
Luas tembereng
78,5cm²-50cm²
=28,5cm²(c.)
Semoga bermanfaat