Question

ABC is right angled at a ad is perpendicular to BC if ab is equal to 5 cm BC is equal to 13 cm and ac is equal to 12 cm find the area of ABC also find the length of AD​

Answer 1

Answer:

area = 30cm square , AD = 2.307

Step-by-step explanation:

Area = 1/2 * base * height

= 1/2 * AB * AC

= 1/2 * 5cm * 12cm

= 1/2 * 60cm square

= 30 cm square

now, we can also take base as BC and height as AD because AD is perpendicular to BC

=> area = 1/2 * BC * AD

=> 30cm square = 1/2 * 13cm * AD

=> AD = (30 * 2)/13 cm

=> AD = 60/13 cm

=> AD = 2.307cm approx.

Hope it helps........

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