Answer:

Step-by-step explanation:
The Hypotenuse of triangle, H = 25 cm
Base = 15 cm
Height = 20 cm
We need to find the area of the triangle. The area of a right-angled triangle is given by :

So, the area of the triangle is equal to
.
Answer:
The coefficient is -9
Step-by-step explanation:
The coefficient is the number that is multiplied by a variable and is always located before the variable.
567 square mm
because 27*7 is 189 an times 3 because each side has 3 sides so it equals to 567 square mm! :)