What is the measure of angle b in the figure below?
о 30°
о 45°
о 60°
o90°

45°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cosB = = = , hence

B = ( ) = 45°

B

Step-by-step explanation:

edge 2021

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)