Question

PQRS is a rectangle with a length of 10 inches and a width of 4 inches. What is the measurement of angle A, the angle formed by the diagonal PR and the base PQ?

Answer 1

as michaelbuble once said, Tan(Angle)=opp/adj

Answer 2

Tan(A)=4/10

Answer 3

how do i calculate that

Answer 4

on your calculator

Answer 5

i dont have one thats the thing

Answer 6

A=Tan^-1(4/10)
you have to use the inverse tan function

Answer 7

are you on your laptop?

Answer 8

http://www.wolframalpha.com/

Answer 9

okay that didnt do anything
ill give you amedal i just need to pass this

Answer 10

thats an online calculator

Answer 11

ok all it gave me was a fraction

Answer 12

21.8°
23.6°
66.4°
68.2° this is what i need to choose from

Answer 13

http://www.wolframalpha.com/input/?i=arctan%284%2F10%29

Answer 14

thank you

Answer 15

watch this video too
https://www.youtube.com/watch?v=isrXeEh7Y3Y