Obtuse, acute, and right.
Complete 2/3 x the number of plates
Answer:
there are 15 birds all together and 5 black birds on the tree.
Step-by-step explanation:
In the field of astronomy, the ability to measure angles accurately and precisely enables us to calculate the position and relative movement of the stars and galaxies in relation to each other, to determine how far distant they are from us, and even to estimate their relative size.
