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
This are the right steps
Step 1: first you divide the both size by 7 because there is 7 a's
7a/7 = 28/7
Step 2: You solve the equation
7a/7= a. 28/7 = 4
So, the answer is a = 4
not 7 = 4
Answer:
x=65
Step-by-step explanation:
130+75+90+x=360
add 130 75 and 90 together to simplify
295+x=360
subtract 295 by both sides to isolate x
x=65
hope that helped!
Answer:
Step-by-step explanation:
i don't see the thing you put it just shows the question
Answer:
The answer is 6
Step-by-step explanation:
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