Question

5. Find the value of x, y, and z in the following figures.
(a)
(b)
65
ول
0
58°
12(
وج​

Answer 1

Step-by-step explanation:

A+∠B=65

o

−−−(1)

∠A+∠C=140

o

−−−(2)

we know ∠A+∠B+∠C=180

o

from (1)65

o

+∠C=180

o

from (2)

∠C=115

o

from (2)

∠A+∠C=140

∠A+25=65

o

∠A=40

o

from (1)∠A+∠B=65

o

∠B=25

o