∵AB=AC,∠A=50°,
∴∠ABC=∠ACB=65°.
∵∠PBC=∠PCA,
∴∠BPC=180°-(∠PBC+∠PCB)=180°-(∠PCA+∠PCB)=180°-∠ACB=115°.
故选B.
如图,△ABC中,AB=AC,∠A=50°,P是△ABC内一点,且∠PBC=∠PCA,则∠BPC的度数等于( ) A.100° B.115° C.130° D.140°
如图,△ABC中,AB=AC,∠A=50°,P是△ABC内一点,且∠PBC=∠PCA,则∠BPC的度数等于( )
A. 100°
B. 115°
C. 130°
D. 140°
A. 100°
B. 115°
C. 130°
D. 140°
数学人气:157 ℃时间:2019-10-25 10:18:36
优质解答
我来回答
类似推荐
- 如图,△ABC中,AB=AC,∠A=50°,P是△ABC内一点,且∠PBC=∠PCA,则∠BPC的度数等于( ) A.100° B.115° C.130° D.140°
- 已知,如图:AB=AC,角BAC=80度,P是三角形ABC内一点,角PBC=10度,角ACP=20度,求角BAP的度数.
- 如图,△ABC中,AB=AC,∠A=50°,P是△ABC内一点,且∠PBC=∠PCA,则∠BPC的度数等于( ) A.100° B.115° C.130° D.140°
- 如图p为△abc内一点,∠bpc=150,∠abp=20,∠acp=30,求∠a的度数
- 在△ABC中,∠ABP=28°,∠ACP=31°,∠BAC=61°求∠BPC的度数
猜你喜欢
- 1改变下面一句话的词序,是意思不变.
- 2now I live in Beijing see with my parents.
- 3小红买2千克苹果和4千克梨共花35.2元妈妈买了同样的苹果和鸭梨个1千克共花12.8元苹果和梨的单价各几元?
- 4谁能告诉我一首关于哲理的诗?
- 5dream过去式过去分词
- 61.求函数y=2x2+5x+4/x+1(x>-1)的值域
- 7I hope this mail finds you and your family well finds有什么意义?
- 820立方米的液氨储罐价格,现在氨含量为99.5%以上的液氨的价格是多少
- 9Some people were supposed to walk into your life,teach you a lesson,and then walk away.
- 10已知f(2x+1)为偶函数,则y=f(3x)的对称轴为