Answer:
*) y = 3r-4
Step-by-step explanation:
3=6-4
A = bh/2
A = 6 . 3 / 2
A = 18/2
A = 9
As long as you keep the signs with the numbers the order doesn't matter. The cumulative property says that you can flip the numbers in any order and it will equal the same amount.
Step-by-step explanation:
Hi There! Let me help you :)



Answer:
The area of triangle is 1263.6 mm².
This is an Equilateral triangle.
Step-by-step explanation:
Given that the area of triangle formula is A = 1/2×base×height. So you have to substitute the values into the formula :

Let base = 54mm,
Let height = 46.8mm,



This is the <u>E</u><u>q</u><u>u</u><u>i</u><u>l</u><u>a</u><u>t</u><u>e</u><u>r</u><u>a</u><u>l</u><u> </u><u>t</u><u>r</u><u>i</u><u>a</u><u>n</u><u>g</u><u>l</u><u>e</u> because all sides of the triangle are <u>e</u><u>q</u><u>u</u><u>a</u><u>l</u>.