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Luba_88 [7]
3 years ago
7

Can someone please help i can’t tell which side the base would be and i don’t understand- i will mark brainliest if correct- Tha

nks !!

Mathematics
2 answers:
Lostsunrise [7]3 years ago
8 0

Answer:

6

Step-by-step explanation:

Remark

This is one of those things that when you see it, you think that really is something.

The trick is to subtract a smaller right triangle from a larger one.

The base for both triangles is 4 (going from where the right angle is to your right where the lines of the red enclosure meet.

Calculations

The height of the larger triangle is 8

The height of the smaller triangle is 5

Area_L = 1/2 8 * 4 = 1/2 * 32 = 16

Area_S = 1/2 5 * 4 = 1/2 * 20 = 10

Red area = 1/2 * 32 - 1/2*20 = 16 - 10 = 6 units

NeTakaya3 years ago
4 0

Answer:

Base = 4 units

Height = 8 units

I think the blocks are a unit each and you have to count how much space the triangle is taking up

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From up to down ;

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The first box :

f(n) = 3. ({2})^{n - 1}

The second box :

f(n) = 2. ({4})^{n - 1}

The third box :

f(n) = 2. ({6})^{n - 1}

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Determine whether the polygons to the right are similar. If​ so, write a similarity statement and give the scale factor. If​ not
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Answer:

(a) Similar polygons; scale factor is 2

(b) Similar polygons; scale factor is 1.5

Step-by-step explanation:

Given

See attachment for polygons

Required

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The angles in both triangles show that the triangles are similar

To calculate the scale factor (k), we simply take corresponding sides.

i.e.

k = \frac{DF}{BA} = \frac{FE}{AC} = \frac{DE}{BC}

k = \frac{6}{3} = \frac{8}{4} = \frac{10}{5}

k = 2=2=2

k = 2

<em>The scale factor is 2</em>

<em />

Solving (b): The trapezium

The angles in both trapeziums show that the trapeziums are similar

To calculate the scale factor (k), we simply take corresponding sides.

i.e.

k = \frac{KN}{GJ}

k = \frac{6}{4}

k = 1.5

<em>The scale factor is 1.5</em>

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Check the picture below.

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