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Vesna [10]
3 years ago
13

This is a rectangular pyramid. What shape is the base?

Mathematics
2 answers:
Ulleksa [173]3 years ago
7 0

Answer:

a

Step-by-step explanation:

Elan Coil [88]3 years ago
4 0
B.) Rectangle
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Jina wants to measure the width of a river. She marks off two right triangles, as shown in the figure. The base of the larger tr
Brilliant_brown [7]

Answer:

width of a river = 45m

Step-by-step explanation:

ration and proportion

let x = width of a river

x            20.9 m

------  =    --------

56 m       26 m

x = (20.9 * 56) / 26

x = 45 m

therefore the width of a river is 45 m

7 0
3 years ago
How long is the arc intersected by a central angle of startfraction pi over 2 endfraction radians in a circle with a radius of 4
Nimfa-mama [501]

<u>7.1 cm  long is the arc</u><u> intersected by a central angle .</u>

What is length of an arc?

  • The arc length of a circle can be calculated with the radius and central angle using the arc length formula.
  • Length of an Arc = θ × r, where θ is in radian. Length of an Arc = θ × (π/180) × r, where θ is in degree.

Given,

Central angle = π / 2

radius = 4.5 cm

we apply formula of length of arc.

length of the arc = angle ×  radius

                              = (π/2) × (4.5 cm)

Now put value of π = 3.14

length of the arc = (3.14 / 2) × (4.5) cm

                            = 7.065 cm ≈ 7.1 cm

Therefore, 7.1 cm  long is the arc intersected by a central angle .

Learn more about<u> </u> length of an arc

brainly.com/question/16991078

#SPJ4

7 0
1 year ago
Which equation would give the graph below? (photo)
emmasim [6.3K]

Answer:

C

Step-by-step explanation:

Y= 4^2 - 5 x 4 + 4 = 0

5 0
3 years ago
A local park is in the shape of a square. A map of the local park is made with the scale 1 inch to 200 feet. If a straight path
kkurt [141]

Answer:

600 ft per side

Step-by-step explanation:

1 in = 200 feet

12 in = 1 foot

12 in * 200 ft= 2400 ft

2400/4 = 600 ft per side

5 0
2 years ago
Please help quickly!!
erastovalidia [21]

Answer:

D

Step-by-step explanation:

6 0
2 years ago
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