Answer:
SA = 967.6 cm²
Step-by-step explanation:
Surface Area of cylinder = 
<u><em>Where r = 7 cm, h = 15 cm</em></u>
=> SA = 2(3.14)(7)(15)+2(3.14)(7)²
=> SA = 659.7 + 2(3.14)(49)
=> SA = 659.7 + 307.9
=> SA = 967.6 cm²
Answer:
Step-by-step explanation:
Answer:
88 sq.in
Step-by-step explanation:
<u>Area of trapezoid = 1/2 (b1 +b2) x h</u>
<u>In this figure:</u>
b1 = 18 in, b2 = 4 in, h = 8 in
<u>So:</u>
A = 1/2 (18 + 4) x 8
A = 1/2 (22) x 8
A = 11 x 8
A = <u>88 sq.in</u>
Z= 2.6 with a bar notation on top of 6