* - stopień
Zadanie 1.
a) |EF| i |GF|, |HG| i |GF|
b) |DA| i |CB|, |AB| i |CD|, |EF| i |HG|
Zadanie 2.
alfa = 180* - (72* + 90*) = 18*
beta = [360* - (125* + 125)] : 2 = 55*
gamma = [360* - (59* + 59 + 68* + 68*)] :2 = 53*
Zadanie 3.
[360* - (70* + 70*)] : 2 = 110*
alfa = 180* - (110* + 35*) = 35*
beta = 180* - (90* + 40*) = 50*
180* - (40* + 55*) = 85*
gamma = [360* - (85* + 85*)] : 2 = 95*
Zadanie 4. B
Zadanie 5. D
Zadanie 6. A
Zadanie 7. A
Zadanie 8. C