Luas bangun pada gambar diatas adalah.... Cm²

luas = 1/2 × d¹ × d²
luas = 1/2 × 10 × 7
luas = 35

luas = 1/2 ( BA + DC ) × T
luas = 1/2 ( 15 + 25 ) × 10
luas = 200

maka luas 1 + luas 2 = 235 cm²

8. luas = p × L
luas = 20 × 35
luas = 700 cm²

# maaf y kalau salah

6)L=(a+b)×t
------------
2
=(2+8)×6
------------
2
=10×6=5×6
--------=30
2

L=(a+b)×t
-----------
2
=(3+6)×2
-----------
2
=9×2 =9×1
------ =9+30
2 =39


7)L=(a+b)×t
-----------
2
=(15+25)×7
---------------
2
=40×7=20×7
----- =140
2

L=D1×D2
-----------
2
=20×14=20×7
---------=140
2 140
------+
280

8)1/2×3,14×r×r=
=1/2×3,14×10×10
=1/2×314×10
=157×2
=314

L=p×l
=35×20
=700+314
=1.014