Please help and show working out
1 answer:
cb^2 + ab^2 = ca^2 pythagorean theorem
cb^2 +6^2 = 12^2
cb^2 +36 = 144
cb^2 = 108
cb = sqrt (108)
sin D = opp /hyp
sin D =bc/cd
sin 55 = sqrt(108)/cd
cd = sqrt(108)/sin 55
cd=12.687
cd = 12.7 to three significant figures
You might be interested in
The student drinks 182.5 gallons a year. Work: 64 x 365 = 23360/128 = 182.50 gallons
Answer:
8/11
Step-by-step explanation:
5+3=8
3/4, 7/16, 5/8.....LCD = 16
12/16, 7/16, 10/16 <===
Answer:
I don't understand this question
78.36 milligrams. If I calculated correctly... 12 is 16% of 75. Therefore 16% of 12 is 3.36. So 75+3.36=78.36
