А. т.b a 85°clae TPВ1. AB and CD are two parallel lines.2. If a = 50°, find b, c, d, e,

А.

т.
b a 85°
cla
e TP
В
1. AB and CD are two parallel lines.
2. If a = 50°, find b, c, d, e, f, g and h.
b. If h = 80°, find d and c.
c. If a = 2y – 10 andy = y + 20, find a and
ndig
d. ifc: f= 4:5, find g.
e. Iff = 5x and d = x + 40, find h.
1. Calculate p.
m
2 1
В​

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