12 Mya claims (m 23+ m24) = m_1, as shown in the triangle below.
3
4
Which equations explain why Mya's claim must be true?
= 180°
A (m_1+ m22) = 90° and (m 23+ m24) = 90°
B (m21+ m_2) = 180° and (m 23 + m24)
© (m_1 + m2) = 90° and (m 23+ m24+ m22) = 90°
D (m21+ m2) = 180° and (mZ3+ m24+ m_2)
= 180°