What is the area of figure B

Mathematics

2 answers:

vovangra [49]2 years ago

6 0

The given figure is divided into two rectangles. We will find the area of both reactangles and then add their area to find the total area of the composite figure...

<h3>Area of reactangle 1⤵️</h3>

Length = 4cm
Breadth = 6cm

$\sf \: area = length \times width$

$\sf \: area = 4 \times 6$

$\tt \: area = 24cm ^{2}$

<h3>Area of rectangle 2⤵️</h3>

Length = 5cm
Breadth = 6+4= 10cm

*Note:- The measure of dotted line will be equal to the side opposite to it since it is a rectangle...

$\sf \: area = length \times breadth$

$\sf \: area = 5 \times 10$

$\tt \: area = 50cm ^{2}$

<em>Thus, The area of figure A is 24cm² and area of Figure B is 50cm²....</em>

And the total area of composite figure will be

24cm²+50cm²
74cm² is the total area...

Arlecino [84]2 years ago

6 0

Answer:

The second option is correct.

Step-by-step explanation:

$Solution,\\Breadth(b)=5cm\\Length (l)=4cm+6cm=10cm\\Now ,\\Area=l*b=5cm*10cm=50cm^{2}$

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A population of insects increases at a rate of 1.5% per day. About how long will it take the population to double?

never [62]

The <em><u>correct answer</u></em> is:

46.6 days

Explanation:

The general form for exponential growth is

$A=p(1+r)^t$ , where A is the total amount, p is the initial amount, r is the percent of growth, and t is the amount of time (in this case, days).

We do not know the initial amount, the total amount, or the amount of time. We do know that r, the percent of growth, is 1.5%; 1.5% = 1.5/100 = 0.015:

$A=p(1+0.015)^t$