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3 years ago

Can the pythagorean theorem be used for any triangle

Mathematics

1 answer:

attashe74 [19]3 years ago

6 0

Answer:

No, only for right angle Δ

Step-by-step explanation:

It is only used for right angle triangles

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PQRS is a parallelogram. Find the values of a and b. Solve for the value of c if c = a + b.

Alecsey [184]

Answer:

a = 7

b = 7

c = 14 [Correct option is B. 14]

Step-by-step explanation:

Since the shape is a parallelogram, to solve this problem, use some of the properties of a parallelogram:

(i) Opposite sides are parallel and congruent. Being congruent means the sides are identical. In other words, they have the same length.

From the diagram, this means that sides PQ and SR are identical. i.e

=> PQ = SR

=> 6a + 10 = 8a - 4 [collect like terms and solve]

=> 14 = 2a

=> a = 7

(ii) Opposite angles are congruent. Angles PQR and PSR are identical. i.e

<PQR = <PSR = (9b + 2)°

Also,

<SPQ = <SRQ = (18b - 11)°

(iii) Consecutive angles are supplementary. The sum of any two angles that are not opposite to each other is 180°. i.e.

<SPQ + <PQR = 180°

<PQR + <QRS = 180°

<QRS + <RSP = 180°

Also,

<PSR + <SPQ = 180°

(9b + 2)° + (18b - 11)° = 180° [expand bracket and solve for b]

9b + 2 + 18b - 11 = 180

27b - 9 = 180

27b = 189

b = 7

Now, since a = 7 and b = 7;

c = a + b = 7 + 7 = 14

Therefore;

a = 7

b = 7

c = 14

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4 years ago

Describe how fraction strips can help you order fractions.

Effectus [21]

If the fraction strips are divided into 3, all the parts would be equal. If to compare 1/3 and 1/4 in strips, line them up and see which one is bigger.

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3 years ago

Reason A pack of 140 stickers contains sheets of 28 stickers. Each

xxTIMURxx [149]

Answer:

you could divide

Step-by-step explanation:

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3 years ago

Find the measure of BCD

Lerok [7]

please mark me as brainliest!!

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3 years ago

Which ordered pairs are solution to the system of inequalities? {X+2y>4, 3x-y<2

Dahasolnce [82]

The ordered pairs which is the solution of the system of Inequalities is;

x > 0 and y < 2

<h3>How to find the ordered pair of inequalities?</h3>

We are given the inequalities;

x + 2y > 4 ----(1)

3x - y < 2 -----(2)

Subtract 2y from both sides in eq 1 to get;

x > 4 - 2y ----(3)

Put 4 - 2y for x in eq 2 to get;

3(4 - 2y) - y < 2

12 - 4y - y < 2

12 - 5y < 2

Subtract 12 from both sides to get;

-5y < -10

Divide both sides by -5 to get;

y < 2

Put 2 for y in eq 3 to get;

x > 4 - 2(2)

x > 0

Read more about Inequality Ordered Pairs at; brainly.com/question/1528681

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2 years ago