Solve for n. d=4m + 7n n
2 answers:
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Answer:
18.7 cm²
Step-by-step explanation:
To work out the area of a triangle you have to use the formula
Where "B" is the base and "H" is the height
Since these are decimals, I like to convert them into fractions which makes them easier to calculate with
The base is 4.25 cm which will turn into
The height is 8.8 cm which will turn into
Now we use the formula
→ Convert to improper fractions
→ Simplify
→ Convert into decimal
18.7