somebody help this person
Answer: 10
Step-by-step explanation: 15*2=30,
then you take 50 and subtract 30 from it that leaves you with 20
You then take that 20 and divide it by 2 (because there are two sides that have the width) you get 10
<h2>
<u>Answer:</u></h2>
Pi = 3.14
Diameter (d) = 86 cm
•°• Radius (r) = 86 ÷ 2 = 43 cm (radius is 1/2 of diameter)
Area of the circle = ?
Formula,

Substitute the value of 'r' & pi in the formula.

⎆ The area of the circle is about <u>5</u><u>8</u><u>0</u><u>5</u><u>.</u><u>8</u><u>6</u><u> </u>cm² (approx.)
Answer:
50 inches
Step-by-step explanation:
30²+40² = c² (c²= diagnol)
900+ 1600 = √2500
√2500 = 50
This is also a pythagorean triple (30,40,50).