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Neporo4naja [7]
3 years ago
11

Pleaaaaaaaaaaaaaaaaaaase help meeeeeei this correct

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
4 0

Answer:

15.3 miles.

Step-by-step explanation:

Area of trapezoid is given by = 1/2*( sum of parallel side) height

Given area of trapezoid = 221.85 sq. miles

Length of parallel sides = 19 miles and 10 miles.

Sum of parallel sides = 19 miles + 10 miles = 29 miles.

Plugging the above values in formula for area of trapezoid we have

Area of trapezoid is given by = 1/2*( sum of parallel sides) height

221.85 = 1/2 (29) height

=> 221.85* 2 = 29* height

=> 443.7 = 29* height

=> 443.7/29 =  height

=> height = 15.3

Thus, height is 15.3 miles.

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a.

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4 0
3 years ago
It has been estimated that a student's final grade in a course decreases by 5 points for every 2 days absent from class . If stu
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The students points will decrease 10 points in 4 days

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6 0
3 years ago
A restaurant uses 4375 pounds of cheese for every 8 3/4 pizzas atvrgis rate how many pounds of cheese are used per pizza
Arlecino [84]
34 pounds that’s the answer
7 0
3 years ago
Read 2 more answers
Given circle and circle with radii of 6cm and 4cm respectively.
noname [10]

Solution :

Given that :

The radius of circle A = 6 cm

The radius of circle C = 4 cm

In circle A

\angle EAF = \theta = 140^\circ

The length of arc EF = $2 \pi r \times \frac{\theta}{360^\circ}$

                                   $=2 \times 3.14 \times 6 \times \frac{140^\circ}{360^\circ}$

                                    = 14.653 cm

In circle C

\angle GCH = \theta = 140^\circ

The length of arc GH = $2 \pi r \times \frac{\theta}{360^\circ}$

                                   $=2 \times 3.14 \times 4 \times \frac{140^\circ}{360^\circ}$

                                    = 9.769 cm    

Therefore,

The length of EF is 14.653 cm

The length of GH is 9.769 cm

The length of EF is  1.5 times the length of GH

i.e.                   14.653  = 1.5 x 9.769

                       14.653 = 14.653

Hence proved.

                             

6 0
3 years ago
What is the measure of ∠S? <br><br> 50°<br> 30°<br> 100°<br> 60°
Scilla [17]
Hello,

Answer B

An exterior angle of a circle has like measure the half of difference of the arcs.
mes S=(85°-25°)/2=60°/2=30°
7 0
3 years ago
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