Answer:
56
Step-by-step explanation:
The 20 represents the specific section, the 8 adds onto that side making the full side 8.
-> See attached
Using this, we can set up a proportion to solve;
<em>Sides of the smaller triangle are on the top, and sides of the larger triangle are on the bottom</em>
[Proportion we made]
[Cross-multiply]
20x = 140
[Divide both sides of the equation by 20]
x = 7 ✓
This is how they reached 7, I hope this answer explains it so you can understand.
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.
- Heather
Answer:
3.6
Step-by-step explanation:
After the decimal point to the right, the first number is the 'tenths' spot. That number is the one they're asking you to round. As we know, when rounding, the number is rounded up if it is 5 or more. Since the number in the 'hundreths' spot is above 5, the 'tenths' spot is rounded up, making 5 a 6.
So, the answer is 3.6
Answer:
Step-by-step explanation:
<u>Given </u>
- Square of 8 cm and part of the circle of same radius
<u>Perimeter of the shape is sum of two quarter circles:</u>
<u>The area is calculate as follows:</u>
Half of the area of the shape is the difference of the quarter-sector of the circle and half-area of the square
- 1/2A = 1/4πr² - 1/2*8²
- A = 1/2π*8² - 64 = 32π - 64
- A = 32π - 64
Answer:
its answer is 5
Step-by-step explanation:
no answer in the question
