I hope someone help me now na Po Kasi Yung number 4 po sa pic nyu nalang po isagot hope tama sana matulongan po ninyu ako

Answer:
1.rectangular prism
2. 6 faces
3. rectangle
4. See the attached file below.
5. surface area=2[lw+lh+wh]
=2[(10)(20)+(10)(5)+(20)(5)]
=2[200+(10)(5)+(20)(5)]
=2[200+50+(20)(5)]
=2[200+50+100]
=2[250+100]
=2[350]
=700 cm²