Question

Ex 3 va rog !!! Dau coroana

Answer 1

Răspuns:

ABCD=paralelogram=>

m(<A)=m(<C) și m(<B)=m(<D)

a) A=62°=>A=C=62°

=>B=D=(360°-62°-62):2=236°:2=118°

b) B=102°=>B=D=102°

=>A=C=(360°-102°-102°):2=156°:2=78°

c) C=110°=>A=C=110°

=>B=D=(360°-110°-110°):2=140°:2=70°

d) D=72°=>B=D=72°

=>A=C=(360°-72°-72°):2=216°:2=108°

e) B=32°=>B=D=32°

=>A=C=(360°-32°-32°):2=296°:2=148°

Coroana?

Answer 2

Răspuns:

a)A=62°

A=C=62°

B=D=(360°-62°-62°):2=(360°-124°):2=236°:2=118°