Please help me with this solve for x.

90 degrees

Step-by-step explanation:

Imagine you cut out that little part and switch it into a upward position, it will look like a right angle, so a right angle is equal to 90 degrees.

x=60°

Step-by-step explanation:

basically it has to equal 180 when added to the other number

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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