4 years ago

What was the activity?

Mathematics

1 answer:

nirvana33 [79]4 years ago

5 0

Answer:

this question cannot be answered without knowing it's context. there are no numbers to help you solve it!!

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is it possible to have a right triangle in which the sine of one of the angles is equal to the cosine of one of the angles? why?

stira [4]

Answer:

Yes , it is possible (see the explanation)

Step-by-step explanation:

we know that

In a right triangle, we have two complementary angles (their sum equal to 90 degrees)

If two angles are complementary, the cofunction identities state that the sine of one equals the cosine of the other and vice versa

<em>Example</em>

Suppose we have the right triangle ABC

The measure of angle C is 90 degrees

A and B are complementary angles

A+B=90°

therefore

sin(A)=cos(B)

sin(B)=cos(A)

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4 years ago

A local parts shop buys a machine that costs 500,000. It’s value depreciates exponentially each year by 10%. Whats is the machin

Artyom0805 [142]

$500000 \times .10 = 50000 \\ 50000 \times 5 = 250000|$
It would be worth $250,000 after 5 years

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4 years ago

Tresa drew a quadrilateral with two pairs of parallel sides and four right angles what what quadrilateral could she have drawn

oksian1 [2.3K]

Rectangle and square

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3 years ago

I'm not finding any help on here. Could someone please refer me to a user that's really good at math? Thanks!

Jlenok [28]

It depends? what level.

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3 years ago

Read 2 more answers

Solve for a and b in the following circles:<br> A)

rjkz [21]

Given:

A quadrilateral inscribed in a circle.

To find:

The values of a and b.

Solution:

A quadrilateral inscribed in a circle. So, the quadrilateral is a cyclic quadrilateral.

We know that the sum of the opposite angles of a cyclic quadrilateral is 180 degrees.

$a+79^\circ=180^\circ$

$a=180^\circ-79^\circ$

$a=101^\circ$

We know that the measure of arc is twice of measure of subtended angle on that arc.

$(110^\circ+b)=2(96^\circ)$

$110^\circ+b=192^\circ$

$b=192^\circ-110^\circ$

$b=82^\circ$

Therefore, the value of a is 101 degrees and the value of b is 82 degrees.

7 0

3 years ago