Question

find the value of the unknown x and y in the following diagram​

Answer 1

Answer:

ans for 2

y= 80

angle sum property of a triangle= 180

50+80+x=180

130+x=180

x=180-130

x=50

ans for 5

y= 40

x+x+40=180

2x+40=180

2x=180-40

2x=140

x=140÷2

x=70

ans for 6

angle sum property of a triangle

x+x+y=180

2x+y=180

y=180-2x

sry i cant found this ans

ans for 7

angle sum property of a triangle

50+60+x=180

110+x=180

x= 180-110

x=70

Answer 2

Answer:

Hey mate here is your answer.//

Step-by-step explanation:

Find the unknown x and y angles:

2:In,one triangle there will be 3 angles so

1∠ angle is 50°,

2 ∠angle or∠ y  is 80°(parllel angles are equal),

3∠angle or∠x= 50°+80°+x=180°,

(by using sum of all angles = 180°),

130°+x=180,°

x=180-130,

x=50°,

So,∠x=50° and ∠y=80°.

3:∠y=50+60+y=180,

(by,using sum of all anglesin triangle=180°),

110+y=180,

y=180-110,

y=70°.

so x =70+x=180,

(sum of angles on plane = 180°),

=180-70

x=110°

So,x=110° and y =70°

5: y=90°(parallel angles are equal),

so,x=90+x+x=180°

(sum of all angles in triangle=180° ),

90+2x=180,

2x=180-90,

2x=90,

x=90/2,

x=45°.

So,x=45° and y=90°.

6:IT is an equilateral triangle so all angles are equal:

so all angles in triangle=y,

y+y+y=180,

3y=180,

y=180/3,

y=60°,

x=

60+x=180,

x=180-60,

x=120°.

So,x=120° and y=60°.

Hope it helps you.//✔✔✔

Please do mark me as Brainliest.//