Mathematics, 25.02.2020 18:53 bluenblonderw

PLEASE HELP ME I'LL MARK YOU BRAINLIEST IF YOU ANSWER THESE CORRECTLY
Find the missing value

PLEASE HELP ME I'LL MARK YOU BRAINLIEST IF YOU ANSWER THESE CORRECTLY Find the missing value

Answers: 2

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Answers

Answer from: jshehehdh

8. 51

9. 89

10. 20

11. 35

Step-by-step explanation:

sum of the internal angles in a triangle must always total 180 degrees

trick: be careful, sometimes they give you the internal angle, sometimes the external angle

Answer from: rebecca7415

question 8 x = 51 degrees

question 9 x = 91 degrees

question 10 x = 20 degrees

question 11 x = 35 degrees

Step-by-step explanation:

Question 8

note : a straight line has angle of 180 degrees

GCE is a straight line hence is 180 degrees

firstly get the angle ECD

which is :

180 - 86 = 94

ECD = 94 degrees

total angle of a triangle is 180 degrees

to get DEC

94 + 35 + x = 180

make x the subject for equation

x = 180 - 35 - 94

x = 51 degrees

Question 9

note : a straight line has angle of 180 degrees

YUW is a straight line hence is 180 degrees

total angle of a triangle is 180 degrees

to find the missing angle ( WUY) ,create an equation

we shall say that angle WUY is Y

29 + 62 +Y = 180

make x the subject of the equation

Y = 180 - 62 -29

Y ( angle WUY) = 89 degrees

now to get the missing angle (?) which will be named as x:

since the straight line is 180 degrees

we say 180 - 89 = 91

x = 91 degrees

Question 10

note : a straight line has angle of 180 degrees

SUZ is a straight line hence is 180 degrees

to get angle SUT is :

180 -80 = 100

angle SUT = 100 degrees

now to get the missing angle (?) we shall name it x

total angle of a triangle is 180 degrees

60 + 100 + x = 180

now make x the subject of formula

x = 180 - 100 - 60

x = 20

Question 11

notice that the angles which are shaped like an X

opposite angles are the same

and since there is a straight line of 180 degrees

180 - 128 = 52 degrees

hence to get the missing angle (x) you have to recall that the total angle of a triangle is 180

hence to get the angle is :

x + 93 + 52 = 180

x = 180 - 52 - 93

x = 35

Answer from: Quest

351.23

step-by-step explanation:

Answer from: Quest

image result for what is another name for consecutive interior angles?

when two lines are crossed by another line (called the transversal): the pairs of angles on one side of the transversal but inside the two lines are called consecutive interior angles. in this example, these are consecutive interior angles: d and f.

step-by-step explanation:

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PLEASE HELP ME I'LL MARK YOU BRAINLIEST IF YOU ANSWER THESE CORRECTLY
Find the missing value

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