Question

"In the following figure, BD = 4cm DC=25cm. The line
AD is perpendicular to BC and AD=10cm. Find angle BAC.”plz answer ths problem.​

Answer 1

Answer :

BD=4cm

DC=25cm

AD=10cm

AD perpendicular to BC.

find : BAC

I am writting in small..

.......

we can take

triangle bda and triangle adc

ad=ad(common)

it is a bda=adc

triangle bac ( by c.p.c.t.)

ur answer is like this

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Answer 2

Answer:

Step-by-step explanation:

in triangle ADC

Pythagoras theorem

AC^2 =25^2+10^2=725 .......1

AB^2= 4^2+10^2= 116

now adding 1 and 2

AC^2+AB^2= 841=29^2= BC^2

by converse of Pythagoras theoremangle bac is 90 degrees