320 i believe... the original answer was 317.52
Answer: 1: B
Step-by-step explanation:
Answer:
x-15
Step-by-step explanation:
Answer:
area of the BCD triangle=1/2×10×9
=45
area of the ABD triangle=1/2×10×3
=15
Total area=45+15
=60 square centimetres
5/6 all you do is divide by 5