3 years ago

With working steps :)

1 answer:

5 0

Answer:

Surface area =132cm

Step-by-step explanation:

Formula= 2A(b)+(a+b+c)h

This one is really long

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ankoles [38]

I think its 2 bc two ppl sit behind each persin from the first and second row.

3 0

3 years ago

Lana71 [14]

Yes
Reason - figure b has been increased by 3 (x3 for each side)
Eg. figure b - 1. Figure a - 3

7 0

2 years ago

Alex17521 [72]

Step-by-step explanation:

Since this is a right triangle and we are given an angle measure that measure 45, the other angle measure also measure 45.

So this means we are dealing with a 45-45-90 triangle.

A 45-45-90 triangle legs are equal to each other and the hypotenuse measures sqr root of 2 times more than the legs.

The hypotenuse measure 2 times sqr root of 14 so divide by sqr root of 2 to find x and y.

$\frac{2 \sqrt{14} }{1} \times \frac{1}{ \sqrt{2 } } = \frac{ \sqrt{56} }{ \sqrt{2} } = \sqrt{28} = 2 \sqrt{7}$

Since x and y are equal, they both measure

$2 \sqrt{7}$

5 0

3 years ago

9966 [12]

$2.58 Hope the answer helped. :)

3 0

3 years ago

olganol [36]

The answer is 30.
She spent $400 after the discount witch means the original total was $450, 450/15 = 30

6 0

4 years ago

With working steps :)​