A piece of wire 10 cm long is bent to form a right-angled triangle.
The two shorter sides have lengths of x cm
and 2x cm respectively.
(a) Form an equation in x and show that it
reduces to x2 - 15x + 25 = 0.
(b) Hence find the length of the longest side.

the answer is 13/48

step-by-step explanation:

7/2

(decimal: 3.5)

welcome ; )

step-by-step explanation:

it would be a on edgenuit y

the diagram below is your final answer

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92