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2 is obtuse because it is much larger than 90 degrees.

Step-by-step explanation:

If you take 180 and subtract it by 35 you will get 145. 145 degrees is larger than 90 so that means it is obtuse

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,