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jenyasd209 [6]
3 years ago
7

33a7b8c-5 22a-2b6c-3

Mathematics
1 answer:
Natalija [7]3 years ago
8 0

Answer:

hh

Step-by-step explanation:

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Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units. a. How many times larger is the are
PSYCHO15rus [73]

Answer:

The answer is below

Step-by-step explanation:

a) Triangle A is attached in the image below.

The base of triangle A is 3 units and its height is 3 units. The area of a triangle  is given as:

Area = (1/2) × base × height

Area of triangle A = (1/2) × base × height = (1/2) × 3 × 3 = 4.5 unit²

Area of the scaled copy = 72 unit²

Ratio of area = Area of the scaled copy / Area of triangle A = 72 unit² / 4.5 unit² = 16

Hence the scaled copy area is 16 times larger than that of triangle A.

b) For the scaled copy:

Area of the scaled copy = (1/2) × base × height = 72 unit²

base × height = 144

Since the base and height are equal

base² = 144

base = 12, also height = 12

Base of scaled copy = 12 = 4 × base of triangle A

Therefore the scale factor used is 4

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3 years ago
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MariettaO [177]
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How do you figure out the discount for something that is $134 tax 13% and is 50% off??
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Answer:all of the above

Step-by-step explanation:

It is a number that can be divided by 5 and equal 5 and it is whole.

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