Answer:
8 would be your answer
Step-by-step explanation:
brainlest pls
Given:

To prove:

Proof:
In
,
because Given
because Given
because Reflexive property.
Corresponding sides of both triangles are congruent. So,
because SSS
Therefore, the required missing values are: Given,
, Reflexive property ,
, SSS respectively.
Angle 2 and angle 4 are vertical angles which makes them congruent
Answer:
3,
3x+5
Step-by-step explanation:
DIFFERENTIATE W.R.T. X
3
EVALUATE
3x+5
All sides of an equilateral triangle are equal, so all three sides are 9 cm.
To find h, use the pythagorean theorem. This requires use of only one right triangle, where we use b as our h.
a^2+b^2=c^2
(4.5)^2+b^2=(9)^2
(20.25)+b^2=(81)
b^2=(81/20.25) or 4
square root both sides
b=2