Помогите с Геометрией

№ 109. sin B= AC/ AB; AC/18= 4/9; AC= 4*18/9= 4*2=8
№ 110. sin B= AC/ AB; AC/51= 5/17; AC= 5*51/17= 5*3= 15
№ 111. sin B= AC/ AB; AC/55= 4/11; AC= 4*55/11= 4*5=20
№ 112. sin B= AC/ AB; AC/48= 7/12; AC= 7*48/12= 7*4=28
№ 113. cos B= BC/ AB; BC/10= 2/5; BC= 2*10/5= 2*2=4
№ 114. cos B= BC/ AB; BC/54= 7/9; BC= 7*54/9= 7*6=42
№ 115. cos B= BC/ AB; BC/75= 11/15; BC= 11*75/15= 11*5=55
№ 116. cos B= BC/ AB; BC/96= 13/16; BC= 13*96/ 16= 13*6= 78
№ 117. tg B= AC/ BC; AC/48= 7/12; AC= 2*48/ 12= 2*4=8
№ 118. tg B= AC/ BC; AC/35= 4/7; AC= 4*35/ 7= 4*5=20

sin(B) = AC/AB
4/9 = AC/18
AC = 8

sin(B) = AC/AB
5/17 = AC/51
AC = 15

sin(B) = AC/AB
4/11 = AC/55
AC = 20

sin(B) = AC/AB
7/12 = AC/48
AC = 28

cos(B) = BC/AB
2/5 = BC/10
BC = 4

cos(B) = BC/AB
7/9 = BC/54
BC = 42

cos(B) = BC/AB
11/15 = BC/75
BC = 55

cos(B) = BC/AB
13/16 = BC/96
BC = 78

tg(B) = AC/BC
7/12 = AC/48
AC = 28

tg(B) = AC/BC
4/7 = AC/35
AC = 20

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