Answer:
4
Step-by-step explanation:
You can see, the whole triangle has a height of 12, and a base of 9. The smaller triangle has a base of 3, which is of 9, and of 12 is 4.
The new smaller triangle has a height of 4, and a base of 3.
Answer:
10x-3
Step-by-step explanation:
Area = length x width
432 feet x 122 feet
= 52 704 feet
The fence has an area of 52 704 feet.
Well, since its isoceles triangle so two equal sides. its either 3 or 7. There is a theorem that states two sides added must be greater than the third. so if the third side is 3. it would be 3+3=6, less than 7, incorrect. therefore the correct side is 7. so the sides are 3, 7, 7. you can add them to confirm the theorem.
You could use something like I have 17 people in my class. I want to give them each 6 pencils. How many pencils do I need. I think this is what your were asking for