PLEASE HELP ME This chapter has explored many different tools that can be used
to find sides or angles in triangles. List. the tools and the conditions
under which they are best applied. (For example, the Pythagorean
Theorem is particularly useful when there is a right triangle and two
known sides, and the third side is unknown.)

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

; )

step-by-step explanation: ; )

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

students group

step-by-step explanation:

a person who   joins a party or a seminar can explain his feelings about that particular occasion better more than anyone else.

as bella managed a show for the students in the school and invited students to watch that show

hence

students group will be the best group to survey to find this information