6 x minus 4 and start fraction 9 over 10
The answer is 19.6 cm^2
you should find the height of the triangle by heron formula: it will be 9.8
so the area is

good luck
Answer:
See below for answers and explanations
Step-by-step explanation:
<u>Part A</u>

<u>Part B</u>

<u>Part C</u>

Step-by-step explanation:
S.I = PRT
=$7430×(5÷100)× 3
=$1114•50