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CLASSIX MATHS
ASSIGNMENT:
CHAPTER LINES AND ANGLES
In figi),
Find a.
02
8
ricer
In fig (11)
Find s.
20
100
>
fights
105
50°
e
А
A
B
25°
figis
CANS: 50°) CANS: 120°).
E
fig city 94.
?
GA I figliv)
TH
401
850W
D
ع
E
T
E
750
G
In fig(iii),
Find ac andy.
CANS:95°, 4001. [Ans:14514
26. A
figh) ]
Find LGHI
05.
• fig (V)
А
B
4012
80°
E
100
*ت
2) 25°
17
B 3
165°
С.
D
c
Find x, y
and z.
In figos, EF 1| CD. Prove. ABIICD.
97.
E
[ANS: 60°, 30°, 140°1.
98
figvisi)
D
95
1
co
In fig(vi),
Finds, y
and z.
جا
500
) و گو
In fig (vili),
Findx.
200
970
A
235
[Ans: 950, 850,507 LANS: 120°).
Pls give complete answers
Attachments:
Answers
Answered by
0
Step-by-step explanation:
∠BOC+∠COD+∠AOD=180
o
.
x+20+x+x+10=180
o
3x+30=180
o
3x=150
o
x=50
o
∠COD=50
o
∠AOD=x+10
o
=60
o
∠BOC=x+20
o
=70
o
∴ ∠COD=50
o
, ∠AOD=60
o
and ∠BOC=70
o
.
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