Answer:
22.43 units
Step-by-step explanation:
we know that
The perimeter of a polygon is the sum of its length sides
the formula to calculate the distance between two points is equal to
we have
u(-2,4),v(3,4) and w(3,-4)
step 1
Find the distance uv
substitute the values
step 2
Find the distance vw
substitute the values
step 3
Find the distance uw
substitute the values
step 4
Find the perimeter
Answer:
48
Step-by-step explanation:
I got it right
Answer:
Straight
Step-by-step explanation:
supplementary means sum of two angles
with 180
Answer: (b)
Step-by-step explanation:
Let the number of cows be x and their legs be 4x.
Let the number of chicken be y and their legs be 2x.
Total number of legs = 4x + 2y.
Total number of heads = x + y.
The number of legs was 14 more than twice the number of heads.
Therefore, 2 × (x + y) + 14 = 4x + 2y.
or, 2x + 2y + 14 = 4x + 2y.
or, 2x + 14 = 4x [subtracting 2y from both sides].
or, 14 = 4x – 2x [subtracting 2x from both sides].
or, 14 = 2x.
or, x = 7 [dividing by 2 on both sides].
Therefore, the number of cows = 7.