2 years ago

Which correspondence accurately describes the two congruent triangles shown here?

Mathematics

1 answer:

Crazy boy [7]2 years ago

4 0

Your answer is correct

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In ΔJKL, k = 9.6 cm, l = 2.7 cm and ∠J=43°. Find ∠L, to the nearest 10th of a degree.

Bogdan [553]

Answer:

L = 10.64°

Step-by-step explanation:

From the given information:

In triangle JKL;

line k = 9.6 cm

line l = 2.7 cm; &

angle J = 43°

we are to find angle L = ???

We can use the sine rule to determine angle L:

i.e

$\dfrac{j}{SIn \ J} = \dfrac{l}{ SIn \ L}$

Using Pythagoras rule to find j

i,e

j² = k² + l²

j² = 9.6²+ 2.7²

j² = 92.16 + 7.29

j² = 99.45

$j = \sqrt{99.45}$

j = 9.97

∴

$\dfrac{9.97}{Sin \ 43} = \dfrac{2.7}{ Sin \ L}$

${9.97 \times Sin (L ) = (2.7 \times Sin \ 43)$

$= Sin \ L = \dfrac{ (2.7 \times Sin \ 43)}{9.97 } \\ \\ = Sin \ L = \dfrac{ (2.7 \times 0.6819)}{9.97 } \\ \\ = Sin \ L = 0.18466 \\ \\ L = Sin^{-1} (0.18466) \\ \\ L = 10.64 ^0$

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2 years ago

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kirill115 [55]

It’s B dksmejnsjejwkwmwkwm

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2 years ago

Is 450 divisible by 5 9 and 10

Umnica [9.8K]

Yes. 450 ÷ 9 = 50, 450 ÷ 5 = 90, 450 ÷ 10 = 45

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2 years ago

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Sarah is the oldest out of here four sisters. Her youngest sister is half her age. The 2 other sisters are twin and are 2 years

marusya05 [52]

Sarah is 14
The twins are 12
The youngest (n) is 7

14+(12+12)+7=45

n=7

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2 years ago

L –3 | A. 3 B. -3 C. 0.30 D. 30

Vesnalui [34]

Answer:

| -3 | = 3

Step-by-step explanation:

minus is removed

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3 years ago