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3 years ago

Please help!! 15 points!

Mathematics

2 answers:

Lady bird [3.3K]3 years ago

6 0

The answer is A( -12, -14), B( 8, -4), C(0, 14)

AVprozaik [17]3 years ago

4 0

Answer:

1. A(-12,-14),B(8,-4),C(0,14)

2. A(-24,-28), B(4,-2),C(0,7)

3. A(-6,-7), B(4,-2), C(0,7)

4. A(-24, -14), B(16,,-4),C(0,14)

Step-by-step explanation:

Each x and y are multiplied by the scale factor of 2

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Answer:

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Step-by-step explanation:

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Area of pyramid = $\frac{1}{2} \times 10 \times 15+\frac{1}{2} \times 10 \times 15+\frac{1}{2} \times 10 \times 15+\frac{1}{2} \times 10 \times 15+10 \times 10$

Area of pyramid = 400 sq.m.

Now the length of base is increased to 15

Length of base = 15m

Breadth of base = 10 m

Slant height = 15 m

Area of pyramid = Area of 5 bases

Area of pyramid = $\frac{1}{2} \times 15 \times 15+\frac{1}{2} \times 15 \times 15+\frac{1}{2} \times 10 \times 15+\frac{1}{2} \times 10 \times 15+10 \times 10$

Area of new pyramid = 525 sq.m.

Difference between area of pyramids=525 sq.m. - 400 sq.,. = 125 sq.m.

Hence The difference between area of pyramids is 125 sq.m.

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