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Ugo [173]
3 years ago
5

Triangle ABC and DEF are congruent. Find x.

Mathematics
2 answers:
blondinia [14]3 years ago
8 0

Because ABC and DEF are congruent.

m∠A = m∠D

m∠B = m∠E

m∠C = m∠F.

We need m∠B = m∠E.

m∠B = 65⁰

m∠E = (x-8)⁰

65 = x-8

x=65 + 8 = 73⁰

Answer: x=73⁰.

miv72 [106K]3 years ago
4 0

Δ ABC ≡ ΔDEF

⇒ ∠DEF = ∠ABC

.

<u>Solve x:</u>

x - 8 = 65

x = 73

.

Answer: x = 73°

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If BD bisects ABC, m DBC =79 and ABC = (9x-4) find the value of x
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set up the equation:

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in quadrilateral ABCD, AE=x+10, and BE=3x-18. for what value of x is ABCD a rectangle? a.24 b.14 c.18 d.16
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