The missing values are x = 45, t = 90, n = 60, p = 75, m = 30, s = 15, k = 135, w = 30, f = 60 and y = 45.
How to determine the values of the missing angles
Herein we have a geometrical system formed by six triangles, one of them is a equilateral triangle and other one is a right triangle. By geometry we know that the sum of the measures of a triangle is equal to 180°, the angles in a equilateral triangle have the same measure and one of the angles in a right triangle is a right angle.
Then, we have following system of linear equations:
t = 90 (1)
t + 2 · x = 180 (2)
3 · n = 180 (3)
2 · p + m = 180 (4)
p + f + y = 180 (5)
(t + 5) + w + n = 180 (6)
s + k + m = 180 (7)
x + n + p = 180 (8)
f + w = 90 (9)
m + n = 90 (10)
p + s = 90 (11)
By (1) and (2):
x = 45
By (3):
n = 60
By (8):
p = 180 - 45 - 60
p = 75
By (4):
m = 180 - 2 · 75
m = 30
By (11):
s = 90 - 75
s = 15
By (7):
k = 180 - 15 - 30
k = 135
By (6) and (1):
w = 180 - 60 - 90
w = 30
By (9):
f = 90 - 30
f = 60
By (5):
y = 180 - 75 - 60
y = 45
The missing values are x = 45, t = 90, n = 60, p = 75, m = 30, s = 15, k = 135, w = 30, f = 60 and y = 45.
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