Answer:
C) 
Step-by-step explanation:
By the cos double angle formula, we know
Substituting
into the formula, we get
.
The answer is C.
Check the picture below.
so, that'd be 20.24845673131658693325, and to the nearest tenth it'd then be 20.2
Answer:
A Rigid Motion is a transformation that preserves length (distance preserving) and angle measure (angle preserving). Another name for a rigid motion is an isometry. A direct isometry preserves distance and orientation. Translations and Rotations are direct isometries.
Step-by-step explanation:
Answer:
where is it
Step-by-step explanation:
of the quotient of the rectangular prism of green green and green green yellow green eeewww