Find the value of x in the figure. explain

a)34.9

b)55.1

c)90

d)124.9

The two angles make up a right angle.

This means the two angles are complementary and need to equal 90 degrees.

X = 90 - 55.1 = 34.9

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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hd extra 3-7 x d en is the answer