Answer :
ratio and proportion
height:shadow=5:4
so
given that the shadow is 98 ft
the height of the building is?
?:98=5:4
?/98=5/4
times both sides by 98
?=490/4
?=122.5ft
te height of the building is 122.5ft
height:shadow=5:4
so
given that the shadow is 98 ft
the height of the building is?
?:98=5:4
?/98=5/4
times both sides by 98
?=490/4
?=122.5ft
te height of the building is 122.5ft