Answer:16 weeks
Step-by-step explanation:Since we know Sam can make 20 paintings in 4 weeks we must add the weeks
8 weeks will be 40 paintings
12 weeks will be 60 paintings
16 weeks will be 80 paintings
Hence the answer is 16 weeks to create 80 paintings
The formula for the area of a triangle is the base times the height, divided by 2. Or in simple forms, bh/2
To find perimeter you add up all the sides so 5cm+6cm+17cm+8cm. This will get you 36cm.
