1+2=21, 2+3=36, 3+4=43, 4+5=52.
Answer:
#1 i think is 2x7 i dont know #2 sry
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find y
The attached triangle is isosceles; so:

Also, we have:
--- angles in a triangle
Substitute: 

Collect like terms

