Question

Someone please help me

Answer 1

X= 2.5 cm
As the bottom line of the yellow triangle adds up to 8 squares and the bottom line of the blue triangle adds up to4 squares meaning it is an enlargement of 2. So 5 divided by 2 is 2.5 cm.

Answer 2

X=2 if you count the number of squares on each side of the triangle you get 5 on the first one so do that same it’s 2