Math, asked by asia2089172, 1 year ago

WILL MARK AS BRAINLIEST

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Answers

Answered by SnehaR21
2

Step-by-step explanation:

AREA=(1/2)*BASE*HEIGHT

=(1/2)*15*12

=90km^2

Answered by Anonymous
87

Answer:

Area  \: of  \: triangle = 90  \:  {km}^{2}

Step-by-step explanation:

According to the question;

Base of the triangle = 15 km

Height of the triangle = 12 km

Area \:  of  \: a  \: triangle =  \frac{1}{2}  \times base \times height \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  =  \frac{1}{2}  \times 15  \:  km \times 12 \: km \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:   = 15 \: km \times 6 \: km \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:   = 90 \:  {km}^{2}

ADDITIONAL INFORMATION

AREA OF 2D SHAPES

 Area  \: of \:  Square = Side \times Side  \\ \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   = {(Side)}^2

 Area \: of \: Rectangle = Length \times Breadth

 Area \: of \: Circle = \pi \times  {radius}^2

 Area \: of \: Parallelogram = Base \times Vertical \: height

 Area \: of \: Trapezium = \frac{1}{2} Sum \: of \: Length \: of \: Parallel \: Side \times Height

 Area \: of \: Ellipse = \pi \times \frac{1}{2} Minor \: axis \times \frac{1}{2} Major \: axis

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