If x=4 cm find the area of this triangle

The answer to your question is 4.

Step-by-step explanation:

You take

7 and times it by 4

than you take 8 and times it by 4

Now you take both numbers

28 times by 32 to equal 896

Finally you divide your number by 2. To equal 448.

Here is the formula

Area= Base * Height / 2

:) Hope this helps

add 5 subtract 1

step-by-step explanation:

the first one, all those points on the line just make a strait line.