Answer:
a^2-12a+36
Step-by-step explanation:
;)
16 cm²
please see photo attached
I think 1
30 ft²
Area of trapezium = 1/2 (a + b)h
a = 6 ft , b = 9 ft , h = 4 ft
Area = 1/2 (6 + 9) 4
= 30 ft²
