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Plz answer I need the answer it will really help me out

Plz answer I need the answer it will really help me out-example-1

2 Answers

2 votes

Answer:

B. 90

Explanation:

The formula for area of a trapezoid is A=(a+b/2)h

A=base ,10 (3 plus 4 plus 3)

B=base #2, 18 (10 plus 4 plus 4)

h=height, 6

plug into the formula and get

84

the formula for area of a circle is A=pi times r squared

The diameter of the semicircle is 4, so the radius has to be 2

plug into the formula and get

12.57

divide by two since there is only half of a circle

6.285

Add the area of the trapezoid and the semicircle

6.285+24= 90.28 or 90

User MarkPflug
by
6.2k points
2 votes

Answer:

B. 90

Explanation:


(a+b)/(2) h=(10+18)/(2)*6= 84

the trapezoid are is 84


\pi r^2= \pi 2^2=12.57\\

there is half of the circle which is 6.285

84+6=90

User Ali Irawan
by
6.1k points