What is the area of triangle abc?
3 square units
7 square units
11 square units
15 square units
15
a
b
1
2
3
4
5
6
7

B---7 square units

Step-by-step explanation:

B

B

B

B

B

B

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step-by-step explanation:

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point