Number (add/sub)

Hong Kong

Stage 2

Calculate the size of $\angle ABC$∠`A``B``C`.

Easy

< 1min

Calculate the size of $\angle ABC$∠`A``B``C`.

Easy

< 1min

Calculate the size of $\angle ABC$∠`A``B``C`.

Easy

< 1min

In the following figure, $\angle RTV$∠`R``T``V`=$49$49° and $\angle UTV$∠`U``T``V`=$26$26°. Find $\angle RTU$∠`R``T``U`.

Medium

< 1min

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