=R/ 511 Calculate the following surface areas and volumes. Show your work clearly. Write the formulas you are using. Find the area to the tenths unless otherwise indicated. Hint: Use the Pythagorean Th. to solve for missing sides of right A's if needed 1. 12.049 LAR 11 cm = (5)(12) =60.22 2. Abase=3. 3 m Atwagle bs=3 22.4 in 10.0% 20 25 - V= 5 cm 145 N = = /31 (5) (11) = 12.04|1= 1/31 (25) (11) V=371(275) = 91.7cm 2 m 2 m SA= Abase + 4 Atrian (31=11 (10) (32.4) + 1x (10) 2 = 4+4(3) =4+-12 SA=/(S) + (s) (12.04) = 16 ri = (25) + 60.2 M = 11 224 + 100 =324 1040 SA: S.SM v: 1.7 V: 4. 8 ft SA: 236.8 8 ft U= u= bh 23 3 =4 SA: 16 4m 2 A base = b= 64 10.8 ft SA: 324 K 32471 V: Atriangle = 65 (814 6.8). SA= 64+ 4 (43.2) 64+ 172.8=236.8 V= 62h 3 83.10.03 (64) 10.03) 3 3 2