Answer:
-1/2
Step-by-step explanation:
That's 21.
Hope this helps !
Nyway
Answer: Equilateral triangles.
Explanation: We know that in similar polygons, its all the corresponding angles are congruent. Only the set of equilateral triangles contains members that are always similar( by AAA similarity criteria) to one another as the measure of all the angles of equilateral triangle is fixed i.e. 60°.
Rest other do not have fixed measure for angles in it.
Answer:
10.5cm, or 4800 cubic centimeters
Step-by-step explanation:
The answer is in the attached image
