# Worksheet Practice 10-7 Mrs. Rivas International Studies Charter School Find the area of each triangle. Round your answers to the nearest tenth. 1)

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Worksheet Practice 10-7 Mrs. Rivas International Studies Charter School Find the area of each triangle. Round your answers to the nearest tenth. 1)

Worksheet Practice 10-7 Mrs. Rivas International Studies Charter School Find the area of each triangle. Round your answers to the nearest tenth. 2)

Worksheet Practice 10-7 Mrs. Rivas International Studies Charter School Find the perimeter and area of each regular polygon to the nearest tenth. 3)

Worksheet Practice 10-7 Mrs. Rivas International Studies Charter School Find the perimeter and area of each regular polygon to the nearest tenth. 4)

Worksheet Practice 10-7 Mrs. Rivas International Studies Charter School Find the perimeter and area of each regular polygon to the nearest tenth. 5)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. 10a – 4 + 8a + 6 + 6a – 2 = 360 24a = 360 a = 6)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. L of Arc = mArcº  C 360º mArcº = 20º r = 9 in. L of Arc = mArcº  2  r 360º L of Arc = 20º  2  (9) 360º 7)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. L of Arc = mArcº  C 360º mArcº = 120º d = 15 ft L of Arc = mArcº   d 360º L of Arc = 120º   (15) 360º 8)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. L of Arc = mArcº  C 360º mArcº = 180º d = 22 m L of Arc = mArcº   d 360º L of Arc = 180º   (22) 360º 9)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. Monster truck Motorcycle C =  d C =  (66) C = 207.24 C =  d C =  (25) C = 78.5 207.24 – 78.5 = 10)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A =  r² C =  (8)(8) C = 11)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A =  r² C =  (0.1)(0.1) C = 0.01  12)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A of Sec.= mArcº   r² 360º mArcº = 45º r = 10 in. A of Sec.= 45º   (10)(10) 360º 13)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A of Sec.= mArcº   r² 360º mArcº = 300º r = 6 ft A of Sec.=300º   (6)(6) 360º 14)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A of Sec.= mArcº   r² 360º mArcº = 300º r = 12 m A of Sec.=300º   (12)(12) 360º 15)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A Sec.= mArcº   r² 360º mArcº = 120º r = 2 m A Sec.= 120º   (2)(2) 360º A Sec.= 4.1866 b = h = A of  = 1bh 2 120º 60º 30º s s3s3 2s = 2 1 2¯2¯ A of  = 1.7320 4.1866 – 1.7320 = 2.4546 3 A of  = 1(2  ¯)(1) 2 3 16)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A Sec.= mArcº   r² 360º mArcº = 60º r = 8 in. A Sec.= 60º   (8)(8) 360º A Sec.= 33.4933 b = h = A of  = 1bh 2 8 A of  = 27.7128 33.4933 – 27.7128 = 5.7805 4¯4¯ 3 A of  = 1(8)(4  ¯) 2 3 17)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A Sec.= mArcº   r² 360º mArcº = 90º r = 10 cm A Sec.= 90º   (10)(10) 360º A Sec.= 78.5 b = h = A of  = 1bh 2 10 A of  = 50 78.5 – 50 = 28.5 10 A of  = 1(10)(10) 2 18)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A Sec.= mArcº   r² 360º mArcº = 270º r = 12 cm A Sec.= 270º   (12)(12) 360º A Sec.= 108  b = h = A of  = 1bh 2 12 A of  = 72 12 A of  = 1(12)(12) 2 19)

Worksheet Practice 10-7 and 12-3 Mrs. Rivas Ida S. Baker H.S. A = bh - A =  r² A = (6)(6) - A =  (3)(3) 20)

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