25.3 is what i got for the first image.
The other leg is 12cm long.
Step-by-step explanation:
Given,
Hypotenuse = c = 15cm
One leg = a = 9cm
Other leg = b
As the triangle is right angled, therefore, using Pythagoras theorem;

Taking square root on both sides;

The other leg is 12cm long.
Keywords: triangle, square root
Learn more about triangles at:
#LearnwithBrainly
Answer:
20 pencils
Step-by-step explanation:
4 pens (4) = 16 pens
5 pencils (4) = 20 pencils
This works because 4/5 and 16/20 are the same ratio, 16/20 isn't simplified..
Answer:
The area is approximately 453 ft²
Step-by-step explanation:
Area of a circle = 
If
= 22/7, and r = 12 ft
Area = (22/7)×12²
= 3.143*144
= 452.592 ft²
≈ 453 ft²
Answer:
<h2>
The averages are equal, since both are 4.</h2>
Step-by-step explanation:
2 + 4 + 6 = 12 / 3 = 4
Average of even numbers = 4
1 + 3 + 5 + 7 = 16 / 4 = 4
Average of odd numbers = 4
The averages are equal, since both are 4.
<em>Hope that helps!</em>