Hello i just need help with this question please and thank you

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Step-by-step explanation:

<2 + <3 = <1. it doesn't say if <1 is also 90º but you know it will be because the measure of a line if 180º so just add and subtract, you'll see that <1 is 90º.

also <5 = <3 because of vertical angles.

<6+<7 = 180º (straight line definition)

<9 = <11, < 8 = <10 both vertical angles

hope this helps, ask if you need additional help!!

42%

step-by-step explanation:

we know,

total people = 60

total males = 25

percentage of males

= 25/60 × 100

= 25/6 × 10

= 25/3 × 5

= 125 / 3

= 41.

rounding of = 42%

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4

step-by-step explanation: