Question

Find AD to this figure ​

Answer 1

Answer:

half of the perimeter of the triangle

=(5+12+13)/2 cm

30/2 cm

=15 cm

area of the triangle

=√{15(15-5)(15-12)(15-13) sq cm

=√(15×10×3×2) sqcm

=√(5×3×5×2×3×2) sq cm

=5×3×2 sq cm

=30 sq cm

if BC is base , then AD is height

1/2.13 .AD=30

=> AD= 30×2/13=60/13 cm=4 8/13 cm

Answer 2

Step-by-step explanation:

Area of ABC = Area of ABC

( base AB ) ( base BC )

1/2 × 5 × 12 = 1/2 × 13 × AD

AD = 60 / 13

AD = 4.61 cm

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