Question

a) ΔABC ~ ΔDEF. Their area are 36 cm2 and 225 cm2

respectively. If BC = 3 cm then find EF.

b) A ladder is placed against a wall such that its foot is at a distance of 2.5 m from the wall and

its top reaches a window 6 m above the ground. Find the length of the ladder​

Answer 1

Answer:

I don't know a but know b

Step-by-step explanation:

according to Pythagoras theorem

H^2=B^2+P^2

=2.5^2+6^2

=6.25+36

= 42.25

H = √42.25

H. =6.25 answer

Answer 2

Step-by-step explanation:

not sure about this answer