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labwork [276]
3 years ago
13

If isosceles triangle ABC has a 130° angle at vertex B, which statement must be true?

Mathematics
2 answers:
marshall27 [118]3 years ago
7 0

Answer:

m∠A + m∠B = 155

Step-by-step explanation:

ABC is an isosceles triangle that has a 130° angle at vertex B

then

m∠A = (180 - 130)/2 = 50/2 = 25 = m∠C

then

m∠A = m∠C = 25°

ValentinkaMS [17]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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Geometry- The base of a triangle is sqrt 18 cm and it’s height is sqrt 8 cm find it’s area.
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Answer:

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