Answer:
20
Step-by-step explanation:
A=30
Solution
A=hbb/ 2=5·12/ 2=30
The area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle.
1 meter =1,000 millimeters. So, the scale is:
7 mm:1,000 mm Divide both sides by 7
1 mm:142 6/7 mm - This is the scale that Tess used.
C. Yes nicholas is right.
x,y
answer is in the picture
