Question

упражнения в таблицах

Answer 1

1)ac-cb=25

ac+cb=180

ac = 102.5

bc =77.5

2)mk = 8 kn

mk + kn =180

mk = 160

kn = 20

3)ADC = 100

CDB = 80

4)MPK = 13

KPN = 50

5)PLR = 100

RLS = 80

6)MKP = 140

MKS = 160

7)BCE = 150

8)SOQ = 90

9)TLN = 160

10)DOE = 105

11)MSP=45

12)AMN = BMN = 90