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il63 [147K]
3 years ago
14

What's the area and perimeter

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
8 0
Area: 68
Perimeter: 38
Mademuasel [1]3 years ago
6 0
Area means everything inside. So you would first find the area of the shape like if it was a rectangle. So do 8 times 11. Then solve for X. X=4 because 11-7=4. Then do 5x4=20. 20 is the amount of space you take off from 8x11=88 cause 88 is the area of a rectangle. This shape is not a rectangle. Your answer for area would be 68. 

 Perimeter means around the shape so add all the sides up. You already have all the lengths except for y. To solve for y, subtract 5 from 8 which equals 3. So Y=3. Next add up all the sides. So it''ll be 7+8+11+3+5+4=38.
Your answer for perimeter is 38.
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madreJ [45]

Answer:

The total length of rebar used is  21.66 meters.

Step-by-step explanation:

Given:

Ivan had cut a reinforcing bar in 19 pieces and length of each bar is 1.14 meters.

Number of pieces = 19

Length of each piece = 1.14

We need to find the total length of reinforcing bar.

To calculate the total length we will multiply number of pieces with length of each piece.

Hence,

Total length of rebar = Number of pieces × Length of each piece = 19\times1.14 = 21..66 m

Rounding to nearest hundred = 21.66 m

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4 0
3 years ago
Fire Fighters are attempting to rescue people from the 3rd floor of a building. The
Daniel [21]

Answer:

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Step-by-step explanation:

Cause 10 plus 5 and if that can reach where they are able to get in I'd assume it would be 15

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7 0
2 years ago
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True [87]

Given:

ΔONP and ΔMNL.

To find:

The method and additional information that will prove ΔONP and ΔMNL similar by the AA similarity postulate?

Solution:

According to AA similarity postulate, two triangles are similar if their two corresponding angles are congruent.

In ΔONP and ΔMNL,

\angle ONP\cong \angle MNL       (Vertically opposite angles)

To prove ΔONP and ΔMNL similar by the AA similarity postulate, we need one more pair of corresponding congruent angles.

Using a rigid transformation, we can prove

\angle NOP\cong \angle NML

Since two corresponding angles are congruent in ΔONP and ΔMNL, therefore,

\Delta ONP\sim \Delta MNL        (AA postulate)

Therefore, the correct option is A.

8 0
3 years ago
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Mademuasel [1]
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Zolol [24]

Answer:

as a fraction 1/4 as a decimal .25

Step-by-step explanation:

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3 years ago
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