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3 years ago

14

IM TOO LAZY TO DO WORK WILL MARK BRAINLIEST LOL

2 answers:

zaharov [31]3 years ago

8 0

Answer:

18: x=98 y=38

19: x=20 y=50

Step-by-step explanation:

To figure out figure 18 you would first figure out x and a triangle equals 180 so 180- (36+46) which is 180-82= 98 and then there are vertical angles between the right and left side so x is equal to one of the angles on the right so 98+44= 142 and 180-142= 38

Then to figure out figure 19 you would first find y by adding 39 and 91 to get 130 and 180-130=50 and then 180-91 (for the angle in the bottom right for the left triangle) is 89 so 89+71=160 and 180-160 is 20.

brilliants [131]3 years ago

7 0

Answer:

figure1.

x=98

y=38

fig2.

x=20

y=50

Step-by-step explanation:

fig 1

46+36+x=180(sum of all side)

x=98

the opposite angle of x Is also 98 being (V.O.A)

98+44+y=180

y=38

fig2

x+71=91(sum of 2 opposite interior angle is equals the exterior angle)

x=20

39+91+y=180(sum of angles of triangle)

y=50

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