I don't think there is a large number because the numbers never end it expands. Interesting question.
Answer:
<h2>64.26 cm².</h2>
Explanation is given in the above photo.
3*5=15 =75 ounces, so 75 ounces is your answer
1.To find the triangle area is base x height : 4.33 x 5=21.65
Perimeter : 5+5+5=15
2. 6•3=18+(3•2)=18+6=24=area
16=perimeter
3. Not sure
4. 12•17=204=area
Perimeter : 13+17+17=47
Hoped I helped!