Plz answer the question Plz try to give detailed answers

1.	Plz answer the question Plz try to give detailed answers
Answer» Answer: Step-by-step EXPLANATION: USING Heron's formula to calculate the area-: $\sqrt{(s)(s-a)(s-b)(s-c)}$ $s = (a+b+c)/2$ In this question -: S = (13+12+5)/2 =15 Area = √(15)(15-13)(15-12)(15-5) = √(15)(2)(3)(10) = 3×2×5 = 30cm² Area = 1/2×BASE×height 30 = 1/2×13×height 60/13 = Altitude [Base is 13 cm]

Answer»

Answer:

Step-by-step EXPLANATION:

USING Heron's formula to calculate the area-:

$\sqrt{(s)(s-a)(s-b)(s-c)}$

$s = (a+b+c)/2$

In this question -:

S = (13+12+5)/2

=15

Area = √(15)(15-13)(15-12)(15-5)

= √(15)(2)(3)(10)

= 3×2×5 = 30cm²

Area = 1/2×BASE×height

30 = 1/2×13×height

60/13 = Altitude [Base is 13 cm]

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