Answer:
a) w = 17.8 m
b) b = 7.5 mm
c) a = 6.6 mm
d) a = 10.3 mm
Explanation:
a)
a^2 + b^2 = c^2
w^2 = 13^2 + 12.2^2
w^2 = 169 + 148.84
w = square root (317.84)
w = 17.8 m
b) 6.1^2 + b^2 = 9.7^2
b^2 = 94.04 - 37.21
b^2 = 56.83
b = 7.5 mm
c) a^2 + 3.5^2 =7.5^2
a^2 = 56.25 - 12.25
a = square root 44
a = 6.6 mm
d) a^2 + 9.5^2 = 14^2
a^2 = 196 - 90.25
a = square root 105.75
a = 10.3 mm