Analyze the diagram below and complete the instructions that follow.

given that abcd is a rhombus, find m/_bdc

a. 37*
b. 53*
c. 74*
d. 90*

Option A

m∠BDC=

Step-by-step explanation:

we know that

In a rhombus the diagonals bisect the angles

so

m∠BDC=m∠BDA

In this problem we have

m∠BDA=

so

m∠BDC=

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this