Answer:99°
Step-by-step explanation:
180-123=57
x=57+42
x=99°
Answer:
Step-by-step explanation:
Im pretty sure it’s B because it tells your the area which is 40 and the length which is 4. I don’t know how to explain it but hopefully it kinda of helped and it’s right.
Answer:
1600/49
Step-by-step explanation:
5 5/7 = 40/7
40/7 * 40/7 = 1600/49
CPCTC<span> is an acronym for corresponding parts of congruent triangles are congruent. </span>CPCTC<span> is commonly used at or near the end of a proof which asks the student to show that two angles or two sides are congruent.</span>