Answer:
B) Length of PR is 21 unit.
Step-by-step explanation:
In Δ PQR, PQ = 10 unit , and QR = 17 unit (given)
and let, QT⊥ PR.
Now, QT = 8 unit (given)
So, Δ PQT is a right angled triangle right-angled at T .
So. PT = 
= 
=
= 6 unit
Similarly,
Δ RQT is a right angled triangle right-angled at T .
So. RT = 
= 
=
= 15 unit
So, PR = PT + TR = (15 + 6) unit = 21 unit
Answer:
10
Step-by-step explanation:
12/20 = 6/x
Using cross products
12*x = 20*6
12x = 120
Divide by 12
12x/12 = 120/12
x = 10
Answer:
4y
Step-by-step explanation:
Answer: Two adjacent, supplementary angles. Supplementary means that they make up a degree of 180 when put together, and the are right next to each other.
Hello :
let : z = 4-3ii z' = -2+7i
the distance between the points 4-3i and -2+7i is : <span>|z - z' |
</span> |z - z' | = |4-3i+2-7i| = |6-10i | =√(6²+(-10)²) =√136
