Answer:
159cm
Step-by-step explanation:
Sum of all sides of triangles is 180
so, 15+6=21
then 180-21=159
Answer:
1hr : 10min
Step-by-step explanation:
2 hrs = 120 min
1 hr : 60 min
so
1hr : 10min
Answer:
b = 26°
Step-by-step explanation:
a ; b = complementary =>
a + b = 90° } => b = 90° - 64° = 26°
a = 64°
Answer:
SAS congruence postulate. sweetheart.
Step-by-step explanation:
The answer is 22.8
Cos 64 = adj./hypotenuse
Cos64=10/x
X(cos64)=10
X= 10/cos64
= 22.8