Answer:
c. 9/12
Step by step explanation.
Given: sin = 9/15
and,


thus, find adj. side
by using Pythagoras theorem

then,
let adj. side be a^

thus,
adj. side is 12
then,
tan of the angle = 9/12
Answer:6.928
Step-by-step explanation: formula A=√ 3*(side^2/4)
Answer:
65 times 5.4 divided by 100
351/100
3.51
3.5
Answer:
h=23
Step-by-step explanation:
triangle equals 180 degrees
180-40=140
140/4=35
Answer:
D: 13
Step-by-step explanation:
4k-7 = 2k+3
k=5
4(5)-7 = 13!
GI = 4k-7 which = 13