3 years ago

Which of the following lengths can be the sides of a triangle?

Mathematics

1 answer:

Dmitriy789 [7]3 years ago

7 0

Answer:

C. 44 cm, 30cm, and 16 cm

Step-by-step explanation:

Sana nakatulong

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If the small inner window has a glass area of 153.94 in^2, what is its diameter, in inches?

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Answer:

Step-by-step explanation:

1) 153.94 divided by π

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3 years ago

Calculate the side lengths a and b to two decimal places.

Zinaida [17]

Answer:

$a=10.92 units$

$b=14.51 units$

Step-by-step explanation:

We are given that c=6 units

$\angle A=43^{\circ}$

$\angle B=115^{\circ}$

We have to find the side length a and b.

We know that sum of angles of a triangle =180 degrees

$\angle A+\angle B+\angle C=180$

Substitute the values then we get

$43+115+\angle C=180$

$158+\angle C=180$

$\angle C=180-158=22^{\circ}$

sine law: $\frac{a}{sin A}=\frac{b}{sin B}=\frac{c}{sin C}$

$\frac{a}{sin 43^{\circ}}=\frac{6}{sin 22^{\circ}}$

$a=\frac{6}{sin 22^{\circ}}\times sin 43^{\circ}$

$a=10.92 units$

$\frac{b}{sin 115^{\circ}}=\frac{6}{sin 22^{\circ}}$

$b=\frac{6}{sin 22^{\circ}}\times sin 115^{\circ}=14.51$

$b=14.51 units$

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3 years ago

there are 91 days until the craft sale. Autumn needs to make 817 rings before the sale. she wants to make about the same number

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817/91 =8.98

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3.<br> The perimeter of a square garden is 12 km. Find its area.

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4s=12

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