Answer:
The area of a square:
Step-by-step explanation:
The formula to find the area of a square:
Use the given measure for the formula:
-Then, solve:
So, the area of a square is 
.
Answer:
1.3
Friend is wrong
Step-by-step explanation:
Given:
friend's claim: height of his building is more than 1.50 times the height of yours
line of sight to the top edge of the other building makes an angle of 21° above the horizontal
line of sight to the base of the other building makes an angle of 52° below the horizontal
Solution:
Let A be the height of your building is A
Let B+A his building is B higher than yours.
Let the distance between the buildings is x.
then
tan 52 = A/x
tan 21 = B/x
A/B = tan 52 / tan 21
= 1.27994 / 0.38386
A/B = 3.33
(A + B) / A = 1.5
0
A/A + B/A = 1.50
1 + B/A = 1.50
B/A is basically (B/x) / (A/x)
So
1+ 3.33 / 3.33
= 4.33/3.33
= 1.3
Since 1.3 is not equal to 1.5
Hence the friend's claim is wrong.
I got x= -7. hope that helps you out!
Driving 350 miles requires
(350 mi) / (10.4 mi/L) ≈ 33.65 L
of petrol.
This amount of petrol would cost
(33.65 L) × (£1.29/L) ≈ £43.41
Answer:
There is a possibility that Darius is 138 inches.
Step-by-step explanation:
Imagine william is 67 (Close integer less than 68)
d can be equal to 4 + 2(67)
D is less than or equal to 138 inches.
