Answer:
31.5cm²
Step-by-step explanation:
area of a triangle =1/2 b h
b= 7cm
h=9cm
1/2×7×9
= 1/2×63
= 31.5cm²
hypotenuse is unknown so,
c²=a²+b²
c²= 7² + 9²
= 49 + 81
c²= 130
c= 11.4cm
perimeter= 7 +9+11.4
=27.4cm
pls note that no unit was stated
Answer: 3
Step-by-step explanation: QPEX VERIFIED JUST DID IT
(y2-y1)/(x2-x1)=
slope: 21/26
Answer:
the standard deviations 12.2 if I'm correct.
Answer:
4.64
Step-by-step explanation:
X^2= r/s
