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adoni [48]
3 years ago
13

Triangles QVS and RTS are similar. Find side VS.

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0

Given that "Triangles QVS and RTS are similar".

We know that ratio of corresponding sides in similar triangles are equal so we will use that property here.

Possible ratio of corresponding sides are:

QV/RT=VS/TS=QS/RS

Now plug the given values from the picture.

26/10=x/28=QS/RS

or 26/10=x/28

or 26*28=10*x (cross multiplication)

or 728=10*x

or 728/10= x

or 72.8=x

Hence final answer is side VS=x=72.8

Paladinen [302]3 years ago
6 0

If these triangles are similar then side QV is corresponding and proportionate to side RT; and side VS is corresponding and proportionate to side VS. We could set up a proportion as follows for these triangles with the larger triangle "stuff" on top and the smaller on bottom:

\frac{26}{10}=\frac{x}{28}.

We cross-multiply to get 10x = 728 and divide both sides by 10 to get that side VS = 72.8

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Answer:

229.5cm^{2}

Step-by-step explanation:

In order to calculate the area of the arrow we need to calculate the area of the body of the arrow, and then the head of the arrow. The body of the arrow is a rectangle meaning that the area (Ar) can be calculated by multiplying the length by the height like so...

Ar = l * h

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Now we need to find the area of the head of the arrow, which is a triangle and therefore we can use the formula for the area of a triangle (At) which is height times base divided by 2...

At = \frac{h * b}{2}

At = \frac{15cm * 13cm}{2}

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3 years ago
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I need help Please help.
asambeis [7]

Answer:

Step-by-step explanation:

Number of students 10

Problem 1. $625 for the bus hire per friday, So 625*4=$2500

Problem 2. 2500/25=$100 each for the whole 4 weeks

Problem 3.

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20 students, tickets 220=4400 for all tickets. The bus, 625/20=$31.25*4=$125 for the whole 4 weeks for the bus, so in all each student must pay $345 each

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8 0
2 years ago
The courtyard outside East Middle School is in the shape of a rectangle and half-circle.
Nadya [2.5K]

Answer:

The correct option is the third one counting from the top. (5892 m^2)

Step-by-step explanation:

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A = pi*(D/2)^2

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In the image, we can see a rectangle of length L = 100m and width W = 50m

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If we round it up, we get:

Total area = 5982 m^2

The correct option is the third one counting from the top.

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