Answer:
20cm or A
Step-by-step explanation:
pythagorean theorem
25^2=15^2+b^2
625=225+b^2
b^2=400
b=20
Answer:
Step-by-step explanation:
hello :
tanx= 15/20
x=36.97°
c^2 = 5^2 + 8^2 = 25 + 64 = 89
c = √89
Answer: c
Answer:
x = 1/6
Step-by-step explanation:
3x + 4 = 9x + 3
3x + 1 = 9x
1 = 6x
1/6 = x