Answer:
Step-by-step explanation:
We can use the Pythagorean theorem to find the length of the diagonal since drawing a diagonal across a rectangle results in two right angle triangles.
Length of diagonal (The length of the diagonal can be thought of as the hypotenuse of one of the right angle triangles)
∴ The length of the diagonal is
Hope this helps :)
Answer:
21x + 12
Step-by-step explanation:
Distribute
3(7x) = 21x 3(4) = 12
21x + 12
So that’s the answer cuz like terms cannot b combined with numbers
Answer:
a ≈ 14 or 6
Step-by-step explanation:
264 = π × a × (20 - a)
a(20 - a) = ≈ 84 (rounded off to nearest whole number)
Opening the brackets we get;
a² - 20a + 84 = 0
Applying the quadratic formula we get:
a ≈ 14 or 6
Answer:
14.5
Step-by-step explanation:
2+2= 4
4*6= 24
24+5= 29
29/2= 14.5
Answer:
third one
Step-by-step explanation: