Answer:
m3 should be 70°
all internal angles of a triangle add up to 180
180-35-75 = 70
9. perimeter is 18 and area is 20, 10. perimeter is 22 and area is 30, 11. you will need 228 cm of material, 12. perimeter is 28 ft and area is 48 ft. hope i helped
Answer:
6
Step-by-step explanation:
2*3=6