1. Surface Area of Prisms

2. A=pr2 A=(bh) ÷2 =p(6)2 =(4m)(3m) ÷2 =36p =113.1 cm2 = 6 m2 5 m 4 m 3 m
1) Area of a Circle
Area of a Triangle
3 m
4 m
5 m
6 cm
A=pr2
A=(bh) ÷2
=p(6)2
=(4m)(3m) ÷2
=36p
=113.1 cm2
= 6 m2

3. A=(b1+b2)(h) ÷2 A=apothem(P) ÷2 =(4)(6)(5) ÷2 =(2+4)(3) ÷2 =60 mm2
Area of a Polygon
Area of a Trapezoid
3 cm
4 cm
2 cm
4 mm
5 mm
A=apothem(P) ÷2
A=(b1+b2)(h) ÷2
=(4)(6)(5) ÷2
=(2+4)(3) ÷2
=60 mm2
=9 cm2

4. A=6s2 =6(3)2 A=54 cm2 2) TSA of a Cube 3 cm
Homework Take-Up- 5 minutes

5. 3) TSA of a prism
5 cm
21 cm
Homework Take-Up- 5 minutes

6. 4) TSA of a cylinder 5 cm 10 cm r=5 cm h=10 cm
A cube has 6 equal area si

7. Summary
Surface Area of Prisms
Area of Base + Lateral Area

8. Homework
Handout