1.

Find the area of triangle whose base 14 cm and height 7.8 cm​

Answer»

GIVEN :

⬤ BASE of Triangle is 14 cm .

⬤ Height ot Triangle is 7.8 cm .

To Find :

⬤ AREA of Triangle .

Formula Used :

\bf[\:{Area \: of \: Triangle = \dfrac{1}{2} \times{b} \times{h}\:]}

  • b = base
  • h = height

Figure :-

\setlength{\unitlength}{1.5 cm}\begin{picture}(0,0)\thicklines\qbezier(1, 0)(1,0)(3,3)\qbezier(5,0)(5,0)(3,3)\qbezier(5,0)(1,0)(1,0)\qbezier(3,3)(3,3)(3,0)\put(2.85,3.2){$\bf A$}\put(0.5,-0.3){$\bf C$}\put(5.2,-0.3){$\bf B$}\put(2.7,-0.3){ \bf 14 cm}\put(3.1,1.3){\bf 7.8 cm}\end{picture}

Solution :

1/2 × b × h

1/2 × 14 × 7.8

1/2 × 14 × 78/10

546/10

54.6

Therefore , Area of Triangle is 54.6 cm².


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