Question

pls help me to solve​

Answer 1

Answer:

Step-by-step explanation:

1) y + 15⁰ = 360⁰( complete angle)

→ y = 360⁰-15⁰

→ y = 345⁰

2)

→ ( 2y + 10)⁰ + 50⁰+40⁰+130⁰ = 360⁰

→ 2y +10⁰+50⁰+40⁰+130⁰= 360⁰

→ 2y + 230⁰ = 360⁰

→ 2y = 360⁰-230⁰

→ 2y = 130⁰

→ y = 65⁰

3)

→ y + 40⁰+140⁰+90⁰= 360⁰

→ y + 270⁰ = 360⁰

→ y = 90⁰

ALTERNATE METHOD FOR 3 NO.

→ y + 90⁰ = 180⁰ ( linear pair )

→ y = 90⁰

MAKE ME BRAINLIST IF IT HELPS YOU

Answer 2

Answer:

(i)= 345. (ii)140 degree (iii) 90

Step-by-step explanation:

• (i) measure of a complete angle
• ${360}^{0}$
• now

Y+15=360

Y=360-15

Y=345

there for angle y =345 degree

(ii)

• we know that measeure of a complete agle = 360degree
• there for

50+40+130+(2x+10) =360

220+(2x+10)=360

230+2x =360

2x= 360-230

2x = 130

x= 130/2

x= 65

hence (2x+10) = 2*65+10 = 130+10=140

140 degree

(iii)

• we know that measure of a conplete angle = 360 degree

there for

140+90+40+Y =360

270+Y=360

Y=360-270

Y=90degree