A quadtriatel is said to contain perpendicular diagnols if four go 90 degree angles are formed at the intersection of these lines
Answer:
The volume of the tent is 
Step-by-step explanation:
we know that
The volume of the square pyramid (child's tent) is equal to

we have


substitute

Answer: David made 120 drawings while at summer camp
Answer:
28
Step-by-step explanation:
Answer:
Step-by-step explanation:
Draw an infinite vertical line on the +40 x axis.