What is the value of a?
w
b
5 units
4
a
с
O 5
Y
units
og units
3
Z
O 7 units

c. (3,2,6) is the answer.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

step-by-step explanation:

the true ones are a b and d