Hey there!
“What is -12.41 as a simplest form fraction?”
• 12.41 / 1 which equals 12.41
• You have to MULTIPLY to REMOVE your TWO decimal area. You have to MULTIPLY the NUMERATOR and the DENOMINATOR BY 100
• 12.41/1 × 100/100
• CROSS MULTIPLY
12.41 × 100/1 × 100
12.41 × 100 = 1,241 ⬅️ Numerator
1 × 100 = 100 ⬅️ Denominator
= 1,241/100
• SIMPLIFY your IMPROPER FRACTION and you have your ANSWER
1,241/100 = 12 41/100
POSSIBLE ANSWER: –12 41/100 ☑️
Good luck on your assignment and enjoy your day!
~LoveYourselfFirst:)
I think the surface area would be 148.31mm squared
See the attachment below
Thanks.

if you have already covered slopes, you could also get it that way, in fact is simpler that way.