Answer:
Surface area of rectangular prism is 164cm²
Step-by-step explanation:
<u>Given</u><u> </u><u>:</u><u>-</u>
- <u>Dimensions</u><u> </u><u>of </u><u>rectangular</u><u> </u><u>prism</u><u> </u><u>is </u><u>3</u><u>c</u><u>m</u><u> </u><u>,</u><u> </u><u>4</u><u>c</u><u>m</u><u>,</u><u> </u><u>and </u><u>1</u><u>0</u><u>c</u><u>m</u>
<u>To </u><u>find</u><u>:</u><u>-</u>
- Surface area of rectangular prism
<u>Solution</u><u>:</u><u>-</u>
<u>Surface area of rectangular prism :- </u>
<u>2(lb + bh + hl)</u>
putting the known values ,
Surface Area = 2(3×4+4×10+10×3) cm²
Surface area = 2(12+40+30) cm³
Surface area = 164cm²