Question

(a) यदि A(0, 9) र B(a, 0) बीचको दुरी 15 एकाइ भए a को
मान पत्ता लगाऊ।
If the distance between A(0, 9) and B(a, 9) is 15
units then find the value of a.
Answer is 12.
how to find out plz help me tomorrow is my maths exam​

Answer 1

Answer:

sq.root(a-0)2+(9-9)2 = 15

sq.root(a)2 = 15

a = 15