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HELP PLS PLS PLS PLS PLS PLS!

HELP PLS PLS PLS PLS PLS PLS!-example-1
User Thalur
by
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2 Answers

11 votes

ΔABC = 48°

_____________________

Explanation:

ΔA = ΔC = 111° (kite property-opposite Δ equal)

ΔD = 90° ------ ( given )

ΔA + ΔB + ΔC + ΔD = 360°

111° + ΔB + 111° + 90° = 360°

312° + ΔB = 360°

ΔB = 360° - 312°

ΔB = 48°

_____________________

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User Nitzle
by
7.8k points
12 votes

Answer:

angle ABC is 48⁰

Explanation:

angle BCD will be 111⁰ it will be equal to DAB.

111+111+90=312⁰

kite is a quadrilateral so its angles add up to 360⁰

360-312=48⁰

User Qkhhly
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