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Marrrta [24]
3 years ago
14

HELP i need to find area AND perimeter there is a triangle and a rectangle

Mathematics
2 answers:
arsen [322]3 years ago
7 0

Answer:

138 cm^2 = Area .          54 cm = Perimeter

Step-by-step explanation:

Find the area of the triangle-                                   <u>b * h</u> = A

                                                                                     2

                                                                                   <u>8 * 6</u> = A

                                                                                      2

                                                                                   48/2 = A

                                                                                     24 = A

Find the area of rectangle-                                        l * w = A

                                                                                   16 * 7 = A

                                                                                      112 = A

Add the areas together.                                            24 + 112 = 136 cm^2

Perimeter is adding up all the sides.                         s + s + s + s + s

                                                                                   16 + 7 + 8 + 10 + 13 = 54 cm

Komok [63]3 years ago
5 0

Answer:

<em>perimeter</em><em> </em><em>of </em><em>this </em><em>figure</em><em> </em><em>is </em><em>=</em><em> </em><em>5</em><em>4</em><em> </em><em>cm</em>

<em>and </em><em>area </em><em>of </em><em>traingle</em><em> </em><em>is </em><em>=</em><em> </em><em>1</em><em>/</em><em>2</em><em>*</em><em>base </em><em>*</em><em>height</em>

<em>so </em><em>=</em><em> </em><em>1</em><em>/</em><em>2</em><em>*</em><em>8</em><em>*</em><em>6</em>

<em>=</em><em>. </em><em>2</em><em>4</em><em>c</em><em>m</em><em>*</em><em>cm</em>

<em>and </em><em>area </em><em>of </em><em>rectangle</em><em> </em><em>=</em><em> </em><em>length</em><em> </em><em>*</em><em> </em><em>breadth</em><em> </em>

<em> </em><em>area </em><em>=</em><em> </em><em>1</em><em>1</em><em>2</em><em>c</em><em>m</em><em>*</em><em>cm</em>

<em>so </em><em>total </em><em>area </em><em> </em><em>=</em><em> </em><em>1</em><em>1</em><em>2</em><em>+</em><em> </em><em>2</em><em>4</em><em> </em><em>=</em><em> </em><em>1</em><em>3</em><em>6</em><em>c</em><em>m</em><em>*</em><em>cm </em>

hope it helps and your day will full of happiness

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