given bde is congruent to bed, abe is congruent to cbe. proof abc is isosceles

given bde is congruent to bed, abe is congruent to cbe. proof abc is isosceles

how do I do this proof in statements and reasoning

(CΔB)-A=(C-A)Δ(B-A)

Show that if n > 2 points are spread round a circle and are connected in order to form a polygon, then the interior angles of the polygon add up to (n − 2) × 180◦ Basis: let n=3 3>2...

I need to prove the fact that 2^(1/2)+3^(1/3) is irrational. Can someone help with this pls

Cannot pick up the pattern in this specific topic.

Prove that gcf(p,q) = gcf(p+q,lcm(p,q))?

It’s about proofs M<TUV=90, m<XWV=90, m<1=m<3

Took a quiz in precal and this question completely stumped me to the point of writing it down to try and figure it out later. I know you would start with the left side but that’s as far as I have...

Given: RS=8 RS=TV RT=15 Prove: SV=15

Given: Line AB is congruent to line CD Line AB is parallel to line CD

For all positive integers m and n, with m<n if m divides (35n) then either m divides 35 or m divides n

if 3x5y=325, then x=2 and y=1

I just need the reasoning of the steps

<1 &<2 form a linear pair. <2&<3 are supplementry prove <1 ~ <3

You are given a series of envelopes, respectively containing 1, 2, 4, , , , , 2m dollars. Definition: Property 1: For any nonnegative integer less than 2m+1 there is a selection of envelopes whose...

let x be a positive real number let k be a positive integer prove by induction that: 2k-1 ∑ xi / (xi +xk) = k- (1/2) i=1

Given:<DBE is congruent to <EBF Prove: <ABE is congruent to <CBE

I need help to find the proof

The following problem consists of an assertion and a ‘proof’. Identify any error(s) in the ‘proof’. If there are errors but the assertion is true, provide a correct proof. Otherwise, provide a counter-example...