Answer:
161.8cm²
Step-by-step explanation:
solve for height which is the opposite
opp=x
sin(theata)= opp./hyp.
sin23=x/30
x=30×sin23
x=11.72cm
height=opposite
height=11.72cm
base=adjacent
base=27.6cm
½of 27.6cm=13.8
13.8cm×11.72cm=161.74 (2d.p)
161.74 rounded to the nearest tenths= 161.7
I'm not sure if it's the answer but it's the closest thing to the options
1st is 1 1/2 2nd is 2 and 3 is 2
Answer:
1/2
Step-by-step explanation:
So, since they are similar, so 9:12 and 15:x
to get to 12, you have to multiply 9 by 4/3. so multiply 15 by 4/3 to get your answer, which is 20.
Answer:
C, 18
Step-by-step explanation: