Answer:
It 12
Step-by-step explanation:
This is because the scale factor between the triangles is 1.75, so I divide 21 by 1.75 and got 12
Hope this helped
A parachute is describing at rate of 28 feet per minute find the total change of altitude of the parachuter after 4 mins.
112 feet
Answer:
none of them
Step-by-step explanation:
H means multiplication
1/2 x (a+b) x h
h is height
I think it's 74 because 3 has the factor :1,3
53 has the factor: 53,1
73 has the factor:1 ,73
74 has the factor:1,74,2,37
