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Sergeu [11.5K]
3 years ago
11

Calculate the length of AC to one decimal place in the trapezium below.

Mathematics
1 answer:
a_sh-v [17]3 years ago
7 0

Answer:

First we will split trapezium on two geometric figure.

One is rectangle and the second is right triangle.

When we subtract 11-4=7cm  we get one cathetus of the right triangle a=7cm also we know hypotenuse which is c=16cm.

We will use Pythagorean theorem to find the second cathetus b

b=√16∧2-7∧2= √256-49= √207 ≈ 14.39cm =DC =>

AC =√(DC)∧2+(AD)∧2= √14.39∧2+11∧2= √207+121= √328= 18.1cm

AC=18.1cm

Good luck!!

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What statement best explains The relationshipBetween numbersDivisible by 5 and 10
kykrilka [37]

Answer:

a number that is divisible by 10 is also divisible by 5 because 5 is a factor of 10.

Step-by-step explanation:

Given : Statement  'The relationship between numbers divisible by 5 and 10'.

To find : What statement BEST explains the statement?

Solution :

First we study the divisibility rules,

Rule for the number divisible by 5 is that number must end in 5 or 0.

Rule for the number divisible by 10 is that number need to be even and divisible by 5, as the prime factors of 10 are 5 and 2 and the number to be divisible by 10, the last digit must be a 0.

According to the divisibility rules Option D is correct.

Therefore, The correct statement explains the relationship between numbers divisible by 5 and 10 is a number that is divisible by 10 is also divisible by 5 because 5 is a factor of 10.

4 0
3 years ago
what is the area of the triangular prism with a length of 12 cm, a width of 6 cm, and a height of 8 cm?
Vinil7 [7]

Answer:

576 I JUST DID IT

Step-by-step explanation:

8 0
3 years ago
What the answer for 11 help me pls
Alex
Awnser is a number a


7 0
3 years ago
Please help with this question!
erma4kov [3.2K]
1 and 8
because they are exterior angles because they are on the outside and alternate because they are on opposite sides
7 0
4 years ago
A rectangular garden is 5ft long, 3ft wife. A second rectangular garden has dimensions that are doubled the dimensions of the fi
iVinArrow [24]

Answer:

100%

Step-by-step explanation:

Perimeter of first garden is given by 2(l+w) where l is length and w is width

Perimeter=2(5+3)=16

The dimensions of second rectangle is doubled hence 10 ft by 6 ft

Perimeter=2(10+6)=32

Change in area will be 32-16=16

Percentage change in area is 16/16*100=100%

5 0
3 years ago
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