B Tem A class is having their picture taken. The photographer positions himselt 21 teet trom the center of the row of students. When the photographer looks at the last
student at either end of the row, the photographer must turn 45 from center in either direction, as shown in the diagram
21 feet
450
Photographer
Which is the best estimate of the length of the row of students?

hiking down a winding trail.

step-by-step explanation:

0.32

step-by-step explanation:

2.24/7

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

60

step-by-step explanation:

every triangle measures a total of 120 degrees. you have to find angle c. we know that isosceles triangles angles are equal. 60 degrees plus 60 degrees gives you 120.