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Tom [10]
3 years ago
10

Quanto misura l'area di un triangolo rettangolo isoscele con ipotenusa 8 cm? (urgente!)

Mathematics
1 answer:
Zarrin [17]3 years ago
7 0

Un triangolo rettangolo isoscele è metà quadrato. L'ipotenusa è la diagonale del quadrato, e i cateti sono i lati del quadrato.

Nei quadrati abbiamo

d=\sqrt{2}l

dove d è la diagonale e l è il lato. Usa le informazioni sopra che collegano la diagonale con l'ipotenusa e i cateti con i lati e potrai trovare i cateti, e quindi l'area.

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Diego has some money in his bank account before he starts a summer job. He deposits
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Answer:

he earns $7 per hour

Step-by-step explanation:

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if two straight lines intersect each other in such a way that one of the angles formed measures 90 degree show that each of the
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I hope this helps in answering your question! If you have any inquiries to the solution, feel free to leave a comment!

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3 years ago
Read 2 more answers
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

7 0
3 years ago
What is the product of seven and eight decreased by “x” if x =15?
jekas [21]

Answer:

0

Step-by-step explanation:

product is another word for +

decreased is another word for -

____________________________

(7 + 8) - x

so

(7+8) - 15

15 - 15

= 0

7 0
3 years ago
Read 2 more answers
(7 4/9 −8)∙3.6–1.6∙( 1/8 − 3/4 )+1 2/5 ÷(−0.35)
lidiya [134]

Answer:

-7

Step-by-step explanation:

(7 4/9 −8)∙3.6–1.6∙( 1/8 − 3/4 )+1 2/5 ÷(−0.35)

PEMDAS, parenthesis

-5/9∙3.6–1.6∙(1/8-6/8)+1 2/5 ÷(−0.35)

PEMDAS, division

-5/9∙3.6–1.6∙-5/8-4

PEMDAS, multiplication

-5/9∙ 18/5– 8/5 ∙-5/8-4

-2-1-4

PEMDAS, subtraction

-7

Hope this helps! Please mark brainliest :)

3 0
3 years ago
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