Answer: 12.66
Step-by-step explanation:
Use pytagoras to find CB
AB= 6 cm
CA=12 cm
CB²=CA²-AB²
CB²=12²-6²
CB²=144-36
CB=√108
CB=6√3
Using formula for sinα=CB/CD
α=55°
sin55°=6√3/CD
CD=6√3/sin55°
CD= 6*1.73/0.82=10.38/0.82=12.66
Answer:
2x^2-8x
Step-by-step explanation:
you distribute 2x to each of the terms nd u add the degree of the x
Answer:
41
Step-by-step explanation:
= B', c'= 41 units so B, C also equals 41 units.
In conclusion, BC=41BC=41B, C, equals, 41 units.
1) Seven less than twice a number, n, is 32.
ANS) B. 2n - 7 = 32