Translation: a) you can make a building like this with 5 layers how many blocks do you need? and with 6layer?
b) how many layers does the building have that is made of 165 blocks?

take reference from the picture

x+y=90

x=30-y=x

step-by-step explanation:

if you understand you will get the answer

yo

step-by-step explanation:

yo

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

#faazmessi