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2 years ago

Find the area of the regular hexagon PQRSTU of sides 8 cm as shown in the figure

Mathematics

1 answer:

Lemur [1.5K]2 years ago

6 0

Answer:

Area = 245m^2

Step-by-step explanation:

We can split this figure into 2 parts, a rectangle and a trapezoid.

Rectangle Sides = 10m and 20m

Area = 10m x 20m = 200m

Trapezoid formula = a+b/2(h)

a and b are the 2 bases and h is the height

Using a little deductive reasoning we get the following, 5+10/2(6)

This simplifies to 15/2(6) -->

7.5(6) = 45

Thus, our area is 200 + 45, or 245m^2

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lakkis [162]

Answer:

1st one and 4th one

Step-by-step explanation:

Hope this helps if it does plz mark me brainliest

6 0

2 years ago

the ratio of black bags to blue bags is 5 to 3. If there are a total of 185 black bags, then how many blue bags are there?

nlexa [21]

Answer:

There are 111 blue bags

Step-by-step explanation:

Let

x ----> the number of black bags

y ---> the number of blue bags

we know that

$\frac{x}{y}=\frac{5}{3}$

isolate the variable y

$y=\frac{3}{5}x$ -----> equation A

$x=185$ ----> equation B

substitute equation B in equation A

$y=\frac{3}{5}(185)$

$y=111$

therefore

There are 111 blue bags

8 0

3 years ago

NEED HELP ASAP PLEASE

Ilya [14]

Answer:

see explanation

Step-by-step explanation:

Given

A = $\frac{1}{2}$ bh

a. substitute b = 6 and h = 5 into the formula

A = $\frac{1}{2}$ × 6 × 5 = $\frac{1}{2}$ × 30 = 15 units²

Multiply both sides of the formula by 2

2A = bh, that is

bh = 2A ← divide both sides by b

h = $\frac{2A}{b}$ = $\frac{2(16)}{4}$ = $\frac{32}{4}$ = 8

Using

bh = 2A ← divide both sides by h

b = $\frac{2A}{h}$ = $\frac{2(12)}{4}$ = $\frac{24}{4}$ = 6

3 0

3 years ago

When i double my number and add eight i get my number plus twelve whats mynumber

ella [17]

(Put what the first number is) x (the previous number) + 8 + 12 = ?

5 0

3 years ago

Some one please help with any of these!!!!

lidiya [134]

11.) y=(4/5)x-(12/5)

8 0

2 years ago