Answer:
3x3÷2= 4.5cm^2
The formula is 1/2×base×slanted height
Step-by-step explanation:
Numbers shade ins and lines
1.d. 2.c 3.b 4.d Justt got a 100% its right!!!
Since there are three variables and three constants you add like terms.
3(x+15) = 3x + 40