I need help asap please

Find the sum of the triangles

1= 58

2=50

3= 30

4= 45

Step-by-step explanation:

1). 65+57+x=180 > x=58

2) 90+40+x=180 > x=50

3) 130+20+x=180 > x=30

4) 85+50+x= 180 > x=45

3, 12, 48, 384, 1536, 6144, 24576, 98304

step-by-step explanation:

just keep timing it by 4.

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation: