Answer:
A) x = 12
Step-by-step explanation:
if its a right angle? then the angle in total is 90 degrees,
subtract the 35 from 90 to get 55 degrees,
4x + 7 = 55 solve this
4x = 48
x = 12
So ten tens = 100 so u multiply and u get 40 tens which are 400= 4 hundreds
The first one since the given measurements/guide is Side, Angle, Side