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3 years ago

Write the following decimals in oder from lea st to great 0.7,1.4,3.9,2.2,1.8,

Mathematics

1 answer:

Hoochie [10]3 years ago

6 0

0.7 1.4 1.8 2.2 3.9

Look first of all at the units place. The choices are 0 1 2 and 3

the 0 place is going to come first. Then the 1s (both of them) and the 2 and then 3.

Now look at the tenths place. The two where that matters is 1.4 and 1.8.

1.4 < 1.8 so the order is 1.4 followed by 1.8

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3 years ago

Which triangles could not be similar to triangle ABC ? triangle a b c where angle b is a right angle. side a b is 15 cm. side b

STALIN [3.7K]

Answer:

option (b) and (d) are correct.

Right triangle J K L with right angle at K. J K is 60 centimeters. J L is 68 centimeters. K L is 32 centimeters.

and Right triangle D E F with right angle at E. D E is 22.5 centimeters. D F is 25.5 centimeters. E F is 12 centimeters.

Step-by-step explanation:

Given : triangle a b c where angle b is a right angle. side a b is 15 cm. side b c is 8 cm. side a c is 17 cm.

We have to select triangle from given options that are similar to ΔABC,

Two triangles are said to be similar when their corresponding sides are in same ratios and their corresponding angles are equal.

Consider : Right triangle J K L with right angle at K. J K is 60 centimeters. J L is 68 centimeters. K L is 32 centimeters.

FINDING CORRESPONDING RATIOS,

$\frac{AB}{JK}=\frac{15}{60}=\frac{1}{4}$

$\frac{BC}{KL}=\frac{8}{32}=\frac{1}{4}$

$\frac{AC}{JL}=\frac{17}{68}=\frac{1}{4}$

Since, ratios are equal. Thus, triangles are similar.

ΔABC ≅ ΔJKL

Consider : Right triangle D E F with right angle at E. D E is 22.5 centimeters. D F is 25.5 centimeters. E F is 12 centimeters.

FINDING CORRESPONDING RATIOS,

$\frac{AB}{DE}=\frac{15}{22.5}=\frac{2}{3}$

$\frac{BC}{EF}=\frac{8}{12}=\frac{2}{3}$

$\frac{AC}{DF}=\frac{17}{25.5}=\frac{2}{3}$

Since, ratios are equal. Thus, triangles are similar.

ΔABC ≅ ΔDEF

Thus, option (b) and (d) are correct.

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4 years ago

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Step-by-step explanation:

8-1/4-7 = 7/-3 this the answer I guess

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4 years ago

Read 2 more answers

How to write the sum of b and 10 is equal to 24

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